5660066499 has 4 divisors (see below), whose sum is σ = 7546755336. Its totient is φ = 3773377664.

The previous prime is 5660066491. The next prime is 5660066501. The reversal of 5660066499 is 9946600665.

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

It is a cyclic number.

It is not a de Polignac number, because 5660066499 - 2³ = 5660066491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5660066491) 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, 943344414 + ... + 943344419.

It is an arithmetic number, because the mean of its divisors is an integer number (1886688834).

Almost surely, 2^5660066499 is an apocalyptic number.

5660066499 is a deficient number, since it is larger than the sum of its proper divisors (1886688837).

5660066499 is a wasteful number, since it uses less digits than its factorization.

5660066499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886688836.

The product of its (nonzero) digits is 2099520, while the sum is 51.

The square root of 5660066499 is about 75233.4134477494. The cubic root of 5660066499 is about 1782.1346375264.

The spelling of 5660066499 in words is "five billion, six hundred sixty million, sixty-six thousand, four hundred ninety-nine".