451645283323164 has 96 divisors (see below), whose sum is σ = 1248667620659200. Its totient is φ = 124333557396480.

The previous prime is 451645283323141. The next prime is 451645283323187. The reversal of 451645283323164 is 461323382546154.

It is an interprime number because it is at equal distance from previous prime (451645283323141) and next prime (451645283323187).

It is a super-2 number, since 2×451645283323164² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378099949 + ... + 379292580.

Almost surely, 2^{451645283323164} is an apocalyptic number.

It is an amenable number.

451645283323164 is an abundant number, since it is smaller than the sum of its proper divisors (797022337336036).

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

451645283323164 is a wasteful number, since it uses less digits than its factorization.

451645283323164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757392803 (or 757392801 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 57.

The spelling of 451645283323164 in words is "four hundred fifty-one trillion, six hundred forty-five billion, two hundred eighty-three million, three hundred twenty-three thousand, one hundred sixty-four".