3442166918256 has 40 divisors (see below), whose sum is σ = 9700652225664. Its totient is φ = 1043080884160.

The previous prime is 3442166918251. The next prime is 3442166918257. The reversal of 3442166918256 is 6528196612443.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3442166918196 and 3442166918205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3442166918251) 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, 3259627236 + ... + 3259628291.

Almost surely, 2^{3442166918256} is an apocalyptic number.

It is an amenable number.

3442166918256 is an abundant number, since it is smaller than the sum of its proper divisors (6258485307408).

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

3442166918256 is a wasteful number, since it uses less digits than its factorization.

3442166918256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6519255549 (or 6519255543 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 57.

The spelling of 3442166918256 in words is "three trillion, four hundred forty-two billion, one hundred sixty-six million, nine hundred eighteen thousand, two hundred fifty-six".