5666343945 has 16 divisors (see below), whose sum is σ = 9067092480. Its totient is φ = 3021736064.

The previous prime is 5666343941. The next prime is 5666343953. The reversal of 5666343945 is 5493436665.

It is a cyclic number.

It is not a de Polignac number, because 5666343945 - 2² = 5666343941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5666343941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242152 + ... + 264518.

It is an arithmetic number, because the mean of its divisors is an integer number (566693280).

Almost surely, 2^5666343945 is an apocalyptic number.

It is an amenable number.

5666343945 is a deficient number, since it is larger than the sum of its proper divisors (3400748535).

5666343945 is a wasteful number, since it uses less digits than its factorization.

5666343945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39264.

The product of its digits is 6998400, while the sum is 51.

The square root of 5666343945 is about 75275.1216870488. The cubic root of 5666343945 is about 1782.7932352455.

The spelling of 5666343945 in words is "five billion, six hundred sixty-six million, three hundred forty-three thousand, nine hundred forty-five".