161952712 has 8 divisors (see below), whose sum is σ = 303661350. Its totient is φ = 80976352.

The previous prime is 161952701. The next prime is 161952787. The reversal of 161952712 is 217259161.

161952712 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., 161645796 + 306916 = 12714^2 + 554^2 .

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, 10122037 + ... + 10122052.

Almost surely, 2^161952712 is an apocalyptic number.

It is an amenable number.

161952712 is a deficient number, since it is larger than the sum of its proper divisors (141708638).

161952712 is a wasteful number, since it uses less digits than its factorization.

161952712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20244095 (or 20244091 counting only the distinct ones).

The product of its digits is 7560, while the sum is 34.

The square root of 161952712 is about 12726.0642776940. The cubic root of 161952712 is about 545.0831307134.

The spelling of 161952712 in words is "one hundred sixty-one million, nine hundred fifty-two thousand, seven hundred twelve".