652633618 has 64 divisors (see below), whose sum is σ = 1248065280. Its totient is φ = 249080832.

The previous prime is 652633609. The next prime is 652633637. The reversal of 652633618 is 816336256.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 696046 + ... + 696982.

It is an arithmetic number, because the mean of its divisors is an integer number (19501020).

Almost surely, 2^652633618 is an apocalyptic number.

652633618 is a deficient number, since it is larger than the sum of its proper divisors (595431662).

652633618 is a wasteful number, since it uses less digits than its factorization.

652633618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its digits is 155520, while the sum is 40.

The square root of 652633618 is about 25546.6948547165. The cubic root of 652633618 is about 867.4074482619.

The spelling of 652633618 in words is "six hundred fifty-two million, six hundred thirty-three thousand, six hundred eighteen".