161071162165612 has 24 divisors (see below), whose sum is σ = 298512906310080. Its totient is φ = 75783586318080.

The previous prime is 161071162165583. The next prime is 161071162165643. The reversal of 161071162165612 is 216561261170161.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227888964 + ... + 228594667.

It is an arithmetic number, because the mean of its divisors is an integer number (12438037762920).

Almost surely, 2^{161071162165612} is an apocalyptic number.

It is an amenable number.

161071162165612 is a deficient number, since it is larger than the sum of its proper divisors (137441744144468).

161071162165612 is a wasteful number, since it uses less digits than its factorization.

161071162165612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456488841 (or 456488839 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 161071162165612 in words is "one hundred sixty-one trillion, seventy-one billion, one hundred sixty-two million, one hundred sixty-five thousand, six hundred twelve".