461641361613651 has 16 divisors (see below), whose sum is σ = 700593936325920. Its totient is φ = 300254544138240.

The previous prime is 461641361613599. The next prime is 461641361613721. The reversal of 461641361613651 is 156316163146164.

461641361613651 is a `hidden beast` number, since 4 + 6 + 1 + 6 + 4 + 1 + 3 + 616 + 13 + 6 + 5 + 1 = 666.

It is not a de Polignac number, because 461641361613651 - 2²⁷ = 461641227395923 is a prime.

It is a super-2 number, since 2×461641361613651² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (461641321613651) 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, 208510098990 + ... + 208510101203.

It is an arithmetic number, because the mean of its divisors is an integer number (43787121020370).

Almost surely, 2^{461641361613651} is an apocalyptic number.

461641361613651 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

461641361613651 is a deficient number, since it is larger than the sum of its proper divisors (238952574712269).

461641361613651 is a wasteful number, since it uses less digits than its factorization.

461641361613651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417020200243 (or 417020200237 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 461641361613651 in words is "four hundred sixty-one trillion, six hundred forty-one billion, three hundred sixty-one million, six hundred thirteen thousand, six hundred fifty-one".