160977925 has 12 divisors (see below), whose sum is σ = 200137860. Its totient is φ = 128443520.

The previous prime is 160977917. The next prime is 160977967. The reversal of 160977925 is 529779061.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 17956 + 160959969 = 134^2 + 12687^2 .

It is not a de Polignac number, because 160977925 - 2³ = 160977917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1449 + ... + 18001.

It is an arithmetic number, because the mean of its divisors is an integer number (16678155).

Almost surely, 2^160977925 is an apocalyptic number.

It is an amenable number.

160977925 is a deficient number, since it is larger than the sum of its proper divisors (39159935).

160977925 is a wasteful number, since it uses less digits than its factorization.

160977925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16952 (or 16947 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 160977925 is about 12687.7076337690. The cubic root of 160977925 is about 543.9873179083.

The spelling of 160977925 in words is "one hundred sixty million, nine hundred seventy-seven thousand, nine hundred twenty-five".