652040668 has 6 divisors (see below), whose sum is σ = 1141071176. Its totient is φ = 326020332.

The previous prime is 652040629. The next prime is 652040687. The reversal of 652040668 is 866040256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81505080 + ... + 81505087.

Almost surely, 2^652040668 is an apocalyptic number.

It is an amenable number.

652040668 is a deficient number, since it is larger than the sum of its proper divisors (489030508).

652040668 is a wasteful number, since it uses less digits than its factorization.

652040668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163010171 (or 163010169 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 652040668 is about 25535.0869980895. The cubic root of 652040668 is about 867.1446744404.

The spelling of 652040668 in words is "six hundred fifty-two million, forty thousand, six hundred sixty-eight".