461812404218164 has 12 divisors (see below), whose sum is σ = 816173407455588. Its totient is φ = 228620002088000.

The previous prime is 461812404218147. The next prime is 461812404218201.

461812404218164 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 348849305090064 + 112963099128100 = 18677508^2 + 10628410^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571550004817 + ... + 571550005624.

It is an arithmetic number, because the mean of its divisors is an integer number (68014450621299).

Almost surely, 2^{461812404218164} is an apocalyptic number.

It is an amenable number.

461812404218164 is a deficient number, since it is larger than the sum of its proper divisors (354361003237424).

461812404218164 is a wasteful number, since it uses less digits than its factorization.

461812404218164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143100010546 (or 1143100010544 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 52.

The spelling of 461812404218164 in words is "four hundred sixty-one trillion, eight hundred twelve billion, four hundred four million, two hundred eighteen thousand, one hundred sixty-four".