651073056 has 48 divisors (see below), whose sum is σ = 1712035584. Its totient is φ = 216647424.

The previous prime is 651073051. The next prime is 651073097. The reversal of 651073056 is 650370156.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×651073056² = 847792248498358272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (651073051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52686 + ... + 63858.

It is an arithmetic number, because the mean of its divisors is an integer number (35667408).

Almost surely, 2^651073056 is an apocalyptic number.

It is an amenable number.

651073056 is an abundant number, since it is smaller than the sum of its proper divisors (1060962528).

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

651073056 is a wasteful number, since it uses less digits than its factorization.

651073056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11793 (or 11785 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 651073056 is about 25516.1332493777. The cubic root of 651073056 is about 866.7155217693.

The spelling of 651073056 in words is "six hundred fifty-one million, seventy-three thousand, fifty-six".