156980168 has 8 divisors (see below), whose sum is σ = 294337830. Its totient is φ = 78490080.

The previous prime is 156980123. The next prime is 156980171. The reversal of 156980168 is 861089651.

156980168 is digitally balanced in base 2, 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 only one way, i.e., 138815524 + 18164644 = 11782^2 + 4262^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9811253 + ... + 9811268.

Almost surely, 2^156980168 is an apocalyptic number.

It is an amenable number.

156980168 is a deficient number, since it is larger than the sum of its proper divisors (137357662).

156980168 is a wasteful number, since it uses less digits than its factorization.

156980168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19622527 (or 19622523 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 156980168 is about 12529.1726781939. The cubic root of 156980168 is about 539.4463552850.

The spelling of 156980168 in words is "one hundred fifty-six million, nine hundred eighty thousand, one hundred sixty-eight".