160972705 has 8 divisors (see below), whose sum is σ = 193264704. Its totient is φ = 128713200.

The previous prime is 160972663. The next prime is 160972727. The reversal of 160972705 is 507279061.

160972705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 160972705 - 2⁷ = 160972577 is a prime.

It is a Duffinian number.

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, 4590 + ... + 18520.

It is an arithmetic number, because the mean of its divisors is an integer number (24158088).

Almost surely, 2^160972705 is an apocalyptic number.

It is an amenable number.

160972705 is a deficient number, since it is larger than the sum of its proper divisors (32291999).

160972705 is a wasteful number, since it uses less digits than its factorization.

160972705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16247.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 160972705 is about 12687.5019211821. The cubic root of 160972705 is about 543.9814379209.

The spelling of 160972705 in words is "one hundred sixty million, nine hundred seventy-two thousand, seven hundred five".