60531664 has 20 divisors (see below), whose sum is σ = 118032004. Its totient is φ = 30071808.

The previous prime is 60531637. The next prime is 60531677. The reversal of 60531664 is 46613506.

It can be written as a sum of positive squares in 2 ways, for example, as 33408400 + 27123264 = 5780^2 + 5208^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9537 + ... + 14560.

Almost surely, 2^60531664 is an apocalyptic number.

It is an amenable number.

60531664 is a deficient number, since it is larger than the sum of its proper divisors (57500340).

60531664 is a wasteful number, since it uses less digits than its factorization.

60531664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24262 (or 24256 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 60531664 is about 7780.2097658097. The cubic root of 60531664 is about 392.6396954977.

The spelling of 60531664 in words is "sixty million, five hundred thirty-one thousand, six hundred sixty-four".