30966160 has 20 divisors (see below), whose sum is σ = 71996508. Its totient is φ = 12386432.

The previous prime is 30966157. The next prime is 30966167. The reversal of 30966160 is 6166903.

It can be written as a sum of positive squares in 2 ways, for example, as 14837904 + 16128256 = 3852^2 + 4016^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (30966167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193459 + ... + 193618.

Almost surely, 2^30966160 is an apocalyptic number.

It is an amenable number.

30966160 is an abundant number, since it is smaller than the sum of its proper divisors (41030348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30966160 is a wasteful number, since it uses less digits than its factorization.

30966160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387090 (or 387084 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 30966160 is about 5564.7246113352. The cubic root of 30966160 is about 314.0237178996.

The spelling of 30966160 in words is "thirty million, nine hundred sixty-six thousand, one hundred sixty".