465156450132661 has 16 divisors (see below), whose sum is σ = 535891195330560. Its totient is φ = 395493808595760.

The previous prime is 465156450132631. The next prime is 465156450132679. The reversal of 465156450132661 is 166231054651564.

It is not a de Polignac number, because 465156450132661 - 2²¹ = 465156448035509 is a prime.

It is a super-3 number, since 3×465156450132661³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465156450132631) 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, 42955291 + ... + 52682728.

It is an arithmetic number, because the mean of its divisors is an integer number (33493199708160).

Almost surely, 2^{465156450132661} is an apocalyptic number.

It is an amenable number.

465156450132661 is a deficient number, since it is larger than the sum of its proper divisors (70734745197899).

465156450132661 is a wasteful number, since it uses less digits than its factorization.

465156450132661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95643624.

The product of its (nonzero) digits is 15552000, while the sum is 55.

The spelling of 465156450132661 in words is "four hundred sixty-five trillion, one hundred fifty-six billion, four hundred fifty million, one hundred thirty-two thousand, six hundred sixty-one".