655099964 has 24 divisors (see below), whose sum is σ = 1219333248. Its totient is φ = 306892800.

The previous prime is 655099957. The next prime is 655099979. The reversal of 655099964 is 469990556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6437 + ... + 36764.

It is an arithmetic number, because the mean of its divisors is an integer number (50805552).

Almost surely, 2^655099964 is an apocalyptic number.

It is an amenable number.

655099964 is a deficient number, since it is larger than the sum of its proper divisors (564233284).

655099964 is a wasteful number, since it uses less digits than its factorization.

655099964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43445 (or 43443 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 53.

The square root of 655099964 is about 25594.9206679763. The cubic root of 655099964 is about 868.4987382746.

The spelling of 655099964 in words is "six hundred fifty-five million, ninety-nine thousand, nine hundred sixty-four".