651553362056 has 64 divisors (see below), whose sum is σ = 1259665344000. Its totient is φ = 315752880640.

The previous prime is 651553362013. The next prime is 651553362071. The reversal of 651553362056 is 650263355156.

It is a self number, because there is not a number n which added to its sum of digits gives 651553362056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35655290 + ... + 35673558.

It is an arithmetic number, because the mean of its divisors is an integer number (19682271000).

Almost surely, 2^651553362056 is an apocalyptic number.

It is an amenable number.

651553362056 is a deficient number, since it is larger than the sum of its proper divisors (608111981944).

651553362056 is a wasteful number, since it uses less digits than its factorization.

651553362056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19022 (or 19018 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 47.

The spelling of 651553362056 in words is "six hundred fifty-one billion, five hundred fifty-three million, three hundred sixty-two thousand, fifty-six".