162551156 has 12 divisors (see below), whose sum is σ = 299436480. Its totient is φ = 76997880.

The previous prime is 162551069. The next prime is 162551173. The reversal of 162551156 is 651155261.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069340 + ... + 1069491.

It is an arithmetic number, because the mean of its divisors is an integer number (24953040).

Almost surely, 2^162551156 is an apocalyptic number.

It is an amenable number.

162551156 is a deficient number, since it is larger than the sum of its proper divisors (136885324).

162551156 is a wasteful number, since it uses less digits than its factorization.

162551156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138854 (or 2138852 counting only the distinct ones).

The product of its digits is 9000, while the sum is 32.

The square root of 162551156 is about 12749.5551294937. Note that the first 3 decimals coincide. The cubic root of 162551156 is about 545.7536983887.

The spelling of 162551156 in words is "one hundred sixty-two million, five hundred fifty-one thousand, one hundred fifty-six".