4161637677204 has 144 divisors (see below), whose sum is σ = 12439819764736. Its totient is φ = 1147949107200.

The previous prime is 4161637677191. The next prime is 4161637677217. The reversal of 4161637677204 is 4027767361614.

It is a happy number.

4161637677204 is a `hidden beast` number, since 4 + 1 + 61 + 6 + 376 + 7 + 7 + 204 = 666.

It is an interprime number because it is at equal distance from previous prime (4161637677191) and next prime (4161637677217).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2656164 + ... + 3921540.

Almost surely, 2^{4161637677204} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4161637677204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6219909882368).

4161637677204 is an abundant number, since it is smaller than the sum of its proper divisors (8278182087532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4161637677204 is a wasteful number, since it uses less digits than its factorization.

4161637677204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265846 (or 1265841 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 54.

The spelling of 4161637677204 in words is "four trillion, one hundred sixty-one billion, six hundred thirty-seven million, six hundred seventy-seven thousand, two hundred four".