566699740139 has 8 divisors (see below), whose sum is σ = 612723473712. Its totient is φ = 521023356000.

The previous prime is 566699740129. The next prime is 566699740153. The reversal of 566699740139 is 931047996665.

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

It is a cyclic number.

It is not a de Polignac number, because 566699740139 - 2²⁰ = 566698691563 is a prime.

It is a super-2 number, since 2×566699740139² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566699740129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86833964 + ... + 86840489.

It is an arithmetic number, because the mean of its divisors is an integer number (76590434214).

Almost surely, 2^566699740139 is an apocalyptic number.

566699740139 is a deficient number, since it is larger than the sum of its proper divisors (46023733573).

566699740139 is a wasteful number, since it uses less digits than its factorization.

566699740139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173674717.

The product of its (nonzero) digits is 66134880, while the sum is 65.

The spelling of 566699740139 in words is "five hundred sixty-six billion, six hundred ninety-nine million, seven hundred forty thousand, one hundred thirty-nine".