156966938 has 8 divisors (see below), whose sum is σ = 236126100. Its totient is φ = 78258240.

The previous prime is 156966911. The next prime is 156966941. The reversal of 156966938 is 839669651.

156966938 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 156925729 + 41209 = 12527^2 + 203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 156966938.

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 3 ways as a sum of consecutive naturals, for example, 111743 + ... + 113138.

Almost surely, 2^156966938 is an apocalyptic number.

156966938 is a deficient number, since it is larger than the sum of its proper divisors (79159162).

156966938 is a wasteful number, since it uses less digits than its factorization.

156966938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225232.

The product of its digits is 2099520, while the sum is 53.

The square root of 156966938 is about 12528.6446992482. The cubic root of 156966938 is about 539.4312003435.

The spelling of 156966938 in words is "one hundred fifty-six million, nine hundred sixty-six thousand, nine hundred thirty-eight".