157833646740 has 960 divisors, whose sum is σ = 639963168768. Its totient is φ = 31744742400.

The previous prime is 157833646721. The next prime is 157833646753. The reversal of 157833646740 is 47646338751.

It is a happy number.

157833646740 is a `hidden beast` number, since 1 + 578 + 3 + 3 + 6 + 4 + 67 + 4 + 0 = 666.

It is a super-2 number, since 2×157833646740² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 1242784557 + ... + 1242784683.

Almost surely, 2^157833646740 is an apocalyptic number.

157833646740 is a gapful number since it is divisible by the number (10) 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 157833646740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319981584384).

157833646740 is an abundant number, since it is smaller than the sum of its proper divisors (482129522028).

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

157833646740 is a wasteful number, since it uses less digits than its factorization.

157833646740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 157833646740 in words is "one hundred fifty-seven billion, eight hundred thirty-three million, six hundred forty-six thousand, seven hundred forty".