156842268864 has 112 divisors (see below), whose sum is σ = 437434329600. Its totient is φ = 49459424256.

The previous prime is 156842268857. The next prime is 156842268881. The reversal of 156842268864 is 468862248651.

It is a junction number, because it is equal to n+sod(n) for n = 156842268798 and 156842268807.

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, 2593014 + ... + 2652810.

Almost surely, 2^156842268864 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 156842268864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218717164800).

156842268864 is an abundant number, since it is smaller than the sum of its proper divisors (280592060736).

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

156842268864 is a wasteful number, since it uses less digits than its factorization.

156842268864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60550 (or 60540 counting only the distinct ones).

The product of its digits is 35389440, while the sum is 60.

The spelling of 156842268864 in words is "one hundred fifty-six billion, eight hundred forty-two million, two hundred sixty-eight thousand, eight hundred sixty-four".