652165664 has 12 divisors (see below), whose sum is σ = 1283951214. Its totient is φ = 326082816.

The previous prime is 652165643. The next prime is 652165687. The reversal of 652165664 is 466561256.

It can be written as a sum of positive squares in only one way, i.e., 622003600 + 30162064 = 24940^2 + 5492^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10190057 + ... + 10190120.

Almost surely, 2^652165664 is an apocalyptic number.

It is an amenable number.

652165664 is a deficient number, since it is larger than the sum of its proper divisors (631785550).

652165664 is a wasteful number, since it uses less digits than its factorization.

652165664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20380187 (or 20380179 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 652165664 is about 25537.5344150527. The cubic root of 652165664 is about 867.2000813578.

The spelling of 652165664 in words is "six hundred fifty-two million, one hundred sixty-five thousand, six hundred sixty-four".