156683868 has 108 divisors (see below), whose sum is σ = 422636760. Its totient is φ = 45091200.

The previous prime is 156683819. The next prime is 156683869. The reversal of 156683868 is 868386651.

156683868 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (1658880) is a multiple of the sum of its prime factors (180).

It is a self number, because there is not a number n which added to its sum of digits gives 156683868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156683869) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2568558 + ... + 2568618.

Almost surely, 2^156683868 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 156683868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211318380).

156683868 is an abundant number, since it is smaller than the sum of its proper divisors (265952892).

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

156683868 is a wasteful number, since it uses less digits than its factorization.

156683868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 106 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 156683868 is about 12517.3426892452. The cubic root of 156683868 is about 539.1067399323.

The spelling of 156683868 in words is "one hundred fifty-six million, six hundred eighty-three thousand, eight hundred sixty-eight".