161336156 has 12 divisors (see below), whose sum is σ = 282495192. Its totient is φ = 80623248.

The previous prime is 161336143. The next prime is 161336173. The reversal of 161336156 is 651633161.

161336156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2330 + ... + 18113.

It is an arithmetic number, because the mean of its divisors is an integer number (23541266).

Almost surely, 2^161336156 is an apocalyptic number.

It is an amenable number.

161336156 is a deficient number, since it is larger than the sum of its proper divisors (121159036).

161336156 is a wasteful number, since it uses less digits than its factorization.

161336156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22420 (or 22418 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 161336156 is about 12701.8170353694. The cubic root of 161336156 is about 544.3905383005.

The spelling of 161336156 in words is "one hundred sixty-one million, three hundred thirty-six thousand, one hundred fifty-six".