3166478641356 has 24 divisors (see below), whose sum is σ = 7397449516464. Its totient is φ = 1054207258560.

The previous prime is 3166478641301. The next prime is 3166478641357. The reversal of 3166478641356 is 6531468746613.

It is a self number, because there is not a number n which added to its sum of digits gives 3166478641356.

It is not an unprimeable number, because it can be changed into a prime (3166478641357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160692475 + ... + 160712178.

It is an arithmetic number, because the mean of its divisors is an integer number (308227063186).

Almost surely, 2^{3166478641356} is an apocalyptic number.

It is an amenable number.

3166478641356 is an abundant number, since it is smaller than the sum of its proper divisors (4230970875108).

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

3166478641356 is a wasteful number, since it uses less digits than its factorization.

3166478641356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321405481 (or 321405479 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 60.

The spelling of 3166478641356 in words is "three trillion, one hundred sixty-six billion, four hundred seventy-eight million, six hundred forty-one thousand, three hundred fifty-six".