4094945161656 has 32 divisors (see below), whose sum is σ = 10241819882640. Its totient is φ = 1364387456768.

The previous prime is 4094945161649. The next prime is 4094945161687. The reversal of 4094945161656 is 6561615494904.

It is a self number, because there is not a number n which added to its sum of digits gives 4094945161656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37085211 + ... + 37195466.

Almost surely, 2^{4094945161656} is an apocalyptic number.

It is an amenable number.

4094945161656 is an abundant number, since it is smaller than the sum of its proper divisors (6146874720984).

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

4094945161656 is a wasteful number, since it uses less digits than its factorization.

4094945161656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74282983 (or 74282979 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 60.

The spelling of 4094945161656 in words is "four trillion, ninety-four billion, nine hundred forty-five million, one hundred sixty-one thousand, six hundred fifty-six".