651442115163 has 32 divisors (see below), whose sum is σ = 1002597765120. Its totient is φ = 368548884000.

The previous prime is 651442115111. The next prime is 651442115167. The reversal of 651442115163 is 361511244156.

It is not a de Polignac number, because 651442115163 - 2⁹ = 651442114651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (651442115167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510228 + ... + 1250286.

It is an arithmetic number, because the mean of its divisors is an integer number (31331180160).

Almost surely, 2^651442115163 is an apocalyptic number.

651442115163 is a deficient number, since it is larger than the sum of its proper divisors (351155649957).

651442115163 is a wasteful number, since it uses less digits than its factorization.

651442115163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740487.

The product of its digits is 86400, while the sum is 39.

The spelling of 651442115163 in words is "six hundred fifty-one billion, four hundred forty-two million, one hundred fifteen thousand, one hundred sixty-three".