157620611232 has 360 divisors, whose sum is σ = 552411214740. Its totient is φ = 43934607360.

The previous prime is 157620611231. The next prime is 157620611233. The reversal of 157620611232 is 232116026751.

157620611232 is a `hidden beast` number, since 1 + 5 + 7 + 6 + 2 + 0 + 611 + 2 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (157620611231) and next prime (157620611233).

It can be written as a sum of positive squares in 2 ways, for example, as 155933373456 + 1687237776 = 394884^2 + 41076^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (157620611231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5192194 + ... + 5222462.

Almost surely, 2^157620611232 is an apocalyptic number.

157620611232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157620611232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276205607370).

157620611232 is an abundant number, since it is smaller than the sum of its proper divisors (394790603508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157620611232 is a wasteful number, since it uses less digits than its factorization.

157620611232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30346 (or 30322 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Adding to 157620611232 its reverse (232116026751), we get a palindrome (389736637983).

The spelling of 157620611232 in words is "one hundred fifty-seven billion, six hundred twenty million, six hundred eleven thousand, two hundred thirty-two".