566161166137 has 12 divisors (see below), whose sum is σ = 661328418036. Its totient is φ = 483267375360.

The previous prime is 566161166111. The next prime is 566161166159. The reversal of 566161166137 is 731661161665.

It can be written as a sum of positive squares in 2 ways, for example, as 445087788201 + 121073377936 = 667149^2 + 347956^2 .

It is not a de Polignac number, because 566161166137 - 2⁷ = 566161166009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566161166167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23959788 + ... + 23983405.

It is an arithmetic number, because the mean of its divisors is an integer number (55110701503).

Almost surely, 2^566161166137 is an apocalyptic number.

It is an amenable number.

566161166137 is a deficient number, since it is larger than the sum of its proper divisors (95167251899).

566161166137 is a wasteful number, since it uses less digits than its factorization.

566161166137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47943448 (or 47943441 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The spelling of 566161166137 in words is "five hundred sixty-six billion, one hundred sixty-one million, one hundred sixty-six thousand, one hundred thirty-seven".