157620046520 has 32 divisors (see below), whose sum is σ = 358156451520. Its totient is φ = 62423779200.

The previous prime is 157620046471. The next prime is 157620046543. The reversal of 157620046520 is 25640026751.

It is a super-2 number, since 2×157620046520² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19503392 + ... + 19511471.

It is an arithmetic number, because the mean of its divisors is an integer number (11192389110).

Almost surely, 2^157620046520 is an apocalyptic number.

157620046520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157620046520 is an abundant number, since it is smaller than the sum of its proper divisors (200536405000).

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

157620046520 is a wasteful number, since it uses less digits than its factorization.

157620046520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39014975 (or 39014971 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 157620046520 in words is "one hundred fifty-seven billion, six hundred twenty million, forty-six thousand, five hundred twenty".