56161646 has 8 divisors (see below), whose sum is σ = 86960064. Its totient is φ = 27174960.

The previous prime is 56161627. The next prime is 56161657. The reversal of 56161646 is 64616165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452855 + ... + 452978.

It is an arithmetic number, because the mean of its divisors is an integer number (10870008).

Almost surely, 2^56161646 is an apocalyptic number.

56161646 is a deficient number, since it is larger than the sum of its proper divisors (30798418).

56161646 is a wasteful number, since it uses less digits than its factorization.

56161646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905866.

The product of its digits is 25920, while the sum is 35.

The square root of 56161646 is about 7494.1074184989. The cubic root of 56161646 is about 382.9539992063.

The spelling of 56161646 in words is "fifty-six million, one hundred sixty-one thousand, six hundred forty-six".