659622464 has 28 divisors (see below), whose sum is σ = 1351166208. Its totient is φ = 319171200.

The previous prime is 659622461. The next prime is 659622479. The reversal of 659622464 is 464226956.

It is not an unprimeable number, because it can be changed into a prime (659622461) 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, 164252 + ... + 168219.

It is an arithmetic number, because the mean of its divisors is an integer number (48255936).

Almost surely, 2^659622464 is an apocalyptic number.

659622464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

659622464 is an abundant number, since it is smaller than the sum of its proper divisors (691543744).

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

659622464 is a wasteful number, since it uses less digits than its factorization.

659622464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332514 (or 332504 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The square root of 659622464 is about 25683.1163218173. The cubic root of 659622464 is about 870.4927248119.

The spelling of 659622464 in words is "six hundred fifty-nine million, six hundred twenty-two thousand, four hundred sixty-four".