5666051165 has 4 divisors (see below), whose sum is σ = 6799261404. Its totient is φ = 4532840928.

The previous prime is 5666051141. The next prime is 5666051179. The reversal of 5666051165 is 5611506665.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1260676036 + 4405375129 = 35506^2 + 66373^2 .

It is a cyclic number.

It is not a de Polignac number, because 5666051165 - 2²² = 5661856861 is a prime.

It is a Duffinian number.

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, 566605112 + ... + 566605121.

It is an arithmetic number, because the mean of its divisors is an integer number (1699815351).

Almost surely, 2^5666051165 is an apocalyptic number.

It is an amenable number.

5666051165 is a deficient number, since it is larger than the sum of its proper divisors (1133210239).

5666051165 is a wasteful number, since it uses less digits than its factorization.

5666051165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133210238.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 5666051165 is about 75273.1769291027. The cubic root of 5666051165 is about 1782.7625290736.

The spelling of 5666051165 in words is "five billion, six hundred sixty-six million, fifty-one thousand, one hundred sixty-five".