3165229685772 has 1152 divisors, whose sum is σ = 11242391666688. Its totient is φ = 725892710400.

The previous prime is 3165229685759. The next prime is 3165229685791. The reversal of 3165229685772 is 2775869225613.

3165229685772 is a `hidden beast` number, since 3 + 1 + 6 + 52 + 2 + 9 + 6 + 8 + 577 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 7144987783 + ... + 7144988225.

It is an arithmetic number, because the mean of its divisors is an integer number (9759020544).

Almost surely, 2^{3165229685772} 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 3165229685772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5621195833344).

3165229685772 is an abundant number, since it is smaller than the sum of its proper divisors (8077161980916).

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

3165229685772 is a wasteful number, since it uses less digits than its factorization.

3165229685772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 654 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 63.

The spelling of 3165229685772 in words is "three trillion, one hundred sixty-five billion, two hundred twenty-nine million, six hundred eighty-five thousand, seven hundred seventy-two".