461572216516145 has 8 divisors (see below), whose sum is σ = 633013325507904. Its totient is φ = 316506662753904.

The previous prime is 461572216516093. The next prime is 461572216516193. The reversal of 461572216516145 is 541615612275164.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 461572216516145 - 2¹² = 461572216512049 is a prime.

It is a super-2 number, since 2×461572216516145² (a number of 30 digits) contains 22 as substring.

It is a Duffinian 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, 6593888807339 + ... + 6593888807408.

It is an arithmetic number, because the mean of its divisors is an integer number (79126665688488).

Almost surely, 2^{461572216516145} is an apocalyptic number.

It is an amenable number.

461572216516145 is a deficient number, since it is larger than the sum of its proper divisors (171441108991759).

461572216516145 is a wasteful number, since it uses less digits than its factorization.

461572216516145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13187777614759.

The product of its digits is 12096000, while the sum is 56.

The spelling of 461572216516145 in words is "four hundred sixty-one trillion, five hundred seventy-two billion, two hundred sixteen million, five hundred sixteen thousand, one hundred forty-five".