56166673 has 4 divisors (see below), whose sum is σ = 56401920. Its totient is φ = 55931428.

The previous prime is 56166661. The next prime is 56166683. The reversal of 56166673 is 37666165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56166673 - 2¹³ = 56158481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56166613) 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, 117265 + ... + 117742.

It is an arithmetic number, because the mean of its divisors is an integer number (14100480).

Almost surely, 2^56166673 is an apocalyptic number.

It is an amenable number.

56166673 is a deficient number, since it is larger than the sum of its proper divisors (235247).

56166673 is a wasteful number, since it uses less digits than its factorization.

56166673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235246.

The product of its digits is 136080, while the sum is 40.

The square root of 56166673 is about 7494.4428078410. The cubic root of 56166673 is about 382.9654248705.

The spelling of 56166673 in words is "fifty-six million, one hundred sixty-six thousand, six hundred seventy-three".