156364091520 has 512 divisors, whose sum is σ = 616739719680. Its totient is φ = 32813088768.

The previous prime is 156364091509. The next prime is 156364091557. The reversal of 156364091520 is 25190463651.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33718642 + ... + 33723278.

It is an arithmetic number, because the mean of its divisors is an integer number (1204569765).

Almost surely, 2^156364091520 is an apocalyptic number.

156364091520 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 156364091520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308369859840).

156364091520 is an abundant number, since it is smaller than the sum of its proper divisors (460375628160).

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

156364091520 is a wasteful number, since it uses less digits than its factorization.

156364091520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4872 (or 4860 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 156364091520 in words is "one hundred fifty-six billion, three hundred sixty-four million, ninety-one thousand, five hundred twenty".