451662641612 has 48 divisors (see below), whose sum is σ = 985125980160. Its totient is φ = 176417946432.

The previous prime is 451662641593. The next prime is 451662641627. The reversal of 451662641612 is 216146266154.

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, 7824608 + ... + 7882119.

It is an arithmetic number, because the mean of its divisors is an integer number (20523457920).

Almost surely, 2^451662641612 is an apocalyptic number.

It is an amenable number.

451662641612 is an abundant number, since it is smaller than the sum of its proper divisors (533463338548).

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

451662641612 is a wasteful number, since it uses less digits than its factorization.

451662641612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15706830 (or 15706828 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The spelling of 451662641612 in words is "four hundred fifty-one billion, six hundred sixty-two million, six hundred forty-one thousand, six hundred twelve".