56601166 has 8 divisors (see below), whose sum is σ = 85232880. Its totient is φ = 28190208.

The previous prime is 56601163. The next prime is 56601173. The reversal of 56601166 is 66110665.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56601163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54546 + ... + 55573.

It is an arithmetic number, because the mean of its divisors is an integer number (10654110).

Almost surely, 2^56601166 is an apocalyptic number.

56601166 is a deficient number, since it is larger than the sum of its proper divisors (28631714).

56601166 is a wasteful number, since it uses less digits than its factorization.

56601166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110378.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 56601166 is about 7523.3746417416. The cubic root of 56601166 is about 383.9504013992.

The spelling of 56601166 in words is "fifty-six million, six hundred one thousand, one hundred sixty-six".