156496552520 has 256 divisors, whose sum is σ = 465393600000. Its totient is φ = 45852917760.

The previous prime is 156496552489. The next prime is 156496552523. The reversal of 156496552520 is 25255694651.

It is not an unprimeable number, because it can be changed into a prime (156496552523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65396444 + ... + 65398836.

It is an arithmetic number, because the mean of its divisors is an integer number (1817943750).

Almost surely, 2^156496552520 is an apocalyptic number.

156496552520 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 156496552520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232696800000).

156496552520 is an abundant number, since it is smaller than the sum of its proper divisors (308897047480).

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

156496552520 is a wasteful number, since it uses less digits than its factorization.

156496552520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688 (or 3684 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 50.

The spelling of 156496552520 in words is "one hundred fifty-six billion, four hundred ninety-six million, five hundred fifty-two thousand, five hundred twenty".