3161404782 has 96 divisors (see below), whose sum is σ = 7391654400. Its totient is φ = 1001312928.

The previous prime is 3161404781. The next prime is 3161404783. The reversal of 3161404782 is 2874041613.

3161404782 is a `hidden beast` number, since 31 + 614 + 0 + 4 + 7 + 8 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (3161404781) and next prime (3161404783).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161404781) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3042219 + ... + 3043257.

It is an arithmetic number, because the mean of its divisors is an integer number (76996400).

Almost surely, 2^3161404782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3161404782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3695827200).

3161404782 is an abundant number, since it is smaller than the sum of its proper divisors (4230249618).

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

3161404782 is a wasteful number, since it uses less digits than its factorization.

3161404782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 3161404782 is about 56226.3708770182. The cubic root of 3161404782 is about 1467.6642038088.

The spelling of 3161404782 in words is "three billion, one hundred sixty-one million, four hundred four thousand, seven hundred eighty-two".