3168720422476 has 72 divisors (see below), whose sum is σ = 6514775282400. Its totient is φ = 1344533541120.

The previous prime is 3168720422471. The next prime is 3168720422489. The reversal of 3168720422476 is 6742240278613.

It is not an unprimeable number, because it can be changed into a prime (3168720422471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28165705 + ... + 28277983.

Almost surely, 2^{3168720422476} 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 3168720422476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3257387641200).

3168720422476 is an abundant number, since it is smaller than the sum of its proper divisors (3346054859924).

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

3168720422476 is a wasteful number, since it uses less digits than its factorization.

3168720422476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113727 (or 113718 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 52.

The spelling of 3168720422476 in words is "three trillion, one hundred sixty-eight billion, seven hundred twenty million, four hundred twenty-two thousand, four hundred seventy-six".