156835492672 has 112 divisors (see below), whose sum is σ = 351173491200. Its totient is φ = 69093466112.

The previous prime is 156835492613. The next prime is 156835492687. The reversal of 156835492672 is 276294538651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1109454 + ... + 1242802.

It is an arithmetic number, because the mean of its divisors is an integer number (3135477600).

Almost surely, 2^156835492672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156835492672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175586745600).

156835492672 is an abundant number, since it is smaller than the sum of its proper divisors (194337998528).

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

156835492672 is a wasteful number, since it uses less digits than its factorization.

156835492672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133448 (or 133438 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 58.

The spelling of 156835492672 in words is "one hundred fifty-six billion, eight hundred thirty-five million, four hundred ninety-two thousand, six hundred seventy-two".