461722212162171 has 16 divisors (see below), whose sum is σ = 707620248525600. Its totient is φ = 297200504379744.

The previous prime is 461722212162121. The next prime is 461722212162181. The reversal of 461722212162171 is 171261212227164.

461722212162171 is a `hidden beast` number, since 4 + 6 + 1 + 7 + 2 + 2 + 2 + 12 + 1 + 621 + 7 + 1 = 666.

It is not a de Polignac number, because 461722212162171 - 2⁴⁵ = 426537840073339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (461722212162121) 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, 294841769436 + ... + 294841771001.

It is an arithmetic number, because the mean of its divisors is an integer number (44226265532850).

Almost surely, 2^{461722212162171} is an apocalyptic number.

461722212162171 is a deficient number, since it is larger than the sum of its proper divisors (245898036363429).

461722212162171 is a wasteful number, since it uses less digits than its factorization.

461722212162171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589683540475 (or 589683540469 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The spelling of 461722212162171 in words is "four hundred sixty-one trillion, seven hundred twenty-two billion, two hundred twelve million, one hundred sixty-two thousand, one hundred seventy-one".