161073712 has 10 divisors (see below), whose sum is σ = 312080348. Its totient is φ = 80536848.

The previous prime is 161073683. The next prime is 161073721. The reversal of 161073712 is 217370161.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5033538 + ... + 5033569.

Almost surely, 2^161073712 is an apocalyptic number.

It is an amenable number.

161073712 is a deficient number, since it is larger than the sum of its proper divisors (151006636).

161073712 is a wasteful number, since it uses less digits than its factorization.

161073712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067115 (or 10067109 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 161073712 is about 12691.4818677726. The cubic root of 161073712 is about 544.0951931165.

The spelling of 161073712 in words is "one hundred sixty-one million, seventy-three thousand, seven hundred twelve".