451506031221164 has 12 divisors (see below), whose sum is σ = 797958678941088. Its totient is φ = 223517837238000.

The previous prime is 451506031221163. The next prime is 451506031221169. The reversal of 451506031221164 is 461122130605154.

It is not an unprimeable number, because it can be changed into a prime (451506031221163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558794592692 + ... + 558794593499.

It is an arithmetic number, because the mean of its divisors is an integer number (66496556578424).

Almost surely, 2^{451506031221164} is an apocalyptic number.

It is an amenable number.

451506031221164 is a deficient number, since it is larger than the sum of its proper divisors (346452647719924).

451506031221164 is a wasteful number, since it uses less digits than its factorization.

451506031221164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117589186296 (or 1117589186294 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 451506031221164 in words is "four hundred fifty-one trillion, five hundred six billion, thirty-one million, two hundred twenty-one thousand, one hundred sixty-four".