451327158165 has 16 divisors (see below), whose sum is σ = 777671411328. Its totient is φ = 222191831616.

The previous prime is 451327158133. The next prime is 451327158167. The reversal of 451327158165 is 561851723154.

It is not a de Polignac number, because 451327158165 - 2⁵ = 451327158133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451327158167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1157248929 + ... + 1157249318.

It is an arithmetic number, because the mean of its divisors is an integer number (48604463208).

Almost surely, 2^451327158165 is an apocalyptic number.

It is an amenable number.

451327158165 is a deficient number, since it is larger than the sum of its proper divisors (326344253163).

451327158165 is a wasteful number, since it uses less digits than its factorization.

451327158165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314498268.

The product of its digits is 1008000, while the sum is 48.

The spelling of 451327158165 in words is "four hundred fifty-one billion, three hundred twenty-seven million, one hundred fifty-eight thousand, one hundred sixty-five".