651355553156 has 48 divisors (see below), whose sum is σ = 1422987941760. Its totient is φ = 253444792320.

The previous prime is 651355553153. The next prime is 651355553179.

651355553156 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (651355553153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1138175 + ... + 1611878.

It is an arithmetic number, because the mean of its divisors is an integer number (29645582120).

Almost surely, 2^651355553156 is an apocalyptic number.

It is an amenable number.

651355553156 is an abundant number, since it is smaller than the sum of its proper divisors (771632388604).

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

651355553156 is a wasteful number, since it uses less digits than its factorization.

651355553156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750844 (or 2750842 counting only the distinct ones).

The product of its digits is 5062500, while the sum is 50.

The spelling of 651355553156 in words is "six hundred fifty-one billion, three hundred fifty-five million, five hundred fifty-three thousand, one hundred fifty-six".