651256554360 has 256 divisors, whose sum is σ = 2106336752640. Its totient is φ = 160494428160.

The previous prime is 651256554337. The next prime is 651256554373. The reversal of 651256554360 is 63455652156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43320045 + ... + 43335075.

It is an arithmetic number, because the mean of its divisors is an integer number (8227877940).

Almost surely, 2^651256554360 is an apocalyptic number.

651256554360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651256554360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053168376320).

651256554360 is an abundant number, since it is smaller than the sum of its proper divisors (1455080198280).

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

651256554360 is a wasteful number, since it uses less digits than its factorization.

651256554360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15446 (or 15442 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 48.

The spelling of 651256554360 in words is "six hundred fifty-one billion, two hundred fifty-six million, five hundred fifty-four thousand, three hundred sixty".