160780625 has 10 divisors (see below), whose sum is σ = 200912250. Its totient is φ = 128624000.

The previous prime is 160780621. The next prime is 160780667. The reversal of 160780625 is 526087061.

It can be written as a sum of positive squares in 5 ways, for example, as 71893441 + 88887184 = 8479^2 + 9428^2 .

It is not a de Polignac number, because 160780625 - 2² = 160780621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (160780621) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 128000 + ... + 129249.

It is an arithmetic number, because the mean of its divisors is an integer number (20091225).

Almost surely, 2^160780625 is an apocalyptic number.

It is an amenable number.

160780625 is a deficient number, since it is larger than the sum of its proper divisors (40131625).

160780625 is an frugal number, since it uses more digits than its factorization.

160780625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257269 (or 257254 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 160780625 is about 12679.9300076933. The cubic root of 160780625 is about 543.7649839531.

The spelling of 160780625 in words is "one hundred sixty million, seven hundred eighty thousand, six hundred twenty-five".