451032166474172 has 24 divisors (see below), whose sum is σ = 853304098740240. Its totient is φ = 207872577434880.

The previous prime is 451032166474159. The next prime is 451032166474181. The reversal of 451032166474172 is 271474661230154.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80197750829 + ... + 80197756452.

It is an arithmetic number, because the mean of its divisors is an integer number (35554337447510).

Almost surely, 2^{451032166474172} is an apocalyptic number.

It is an amenable number.

451032166474172 is a deficient number, since it is larger than the sum of its proper divisors (402271932266068).

451032166474172 is a wasteful number, since it uses less digits than its factorization.

451032166474172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160395507341 (or 160395507339 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 451032166474172 in words is "four hundred fifty-one trillion, thirty-two billion, one hundred sixty-six million, four hundred seventy-four thousand, one hundred seventy-two".