3161637532044 has 120 divisors (see below), whose sum is σ = 8312745627648. Its totient is φ = 1047815468640.

The previous prime is 3161637532013. The next prime is 3161637532127. The reversal of 3161637532044 is 4402357361613.

3161637532044 is a `hidden beast` number, since 3 + 1 + 6 + 1 + 637 + 5 + 3 + 2 + 0 + 4 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 128892109 + ... + 128916635.

Almost surely, 2^{3161637532044} 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 3161637532044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4156372813824).

3161637532044 is an abundant number, since it is smaller than the sum of its proper divisors (5151108095604).

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

3161637532044 is a wasteful number, since it uses less digits than its factorization.

3161637532044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26817 (or 26806 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 3161637532044 in words is "three trillion, one hundred sixty-one billion, six hundred thirty-seven million, five hundred thirty-two thousand, forty-four".