565001660151 has 16 divisors (see below), whose sum is σ = 845668773600. Its totient is φ = 372784598784.

The previous prime is 565001660147. The next prime is 565001660159. The reversal of 565001660151 is 151066100565.

It is not a de Polignac number, because 565001660151 - 2² = 565001660147 is a prime.

It is a super-2 number, since 2×565001660151² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565001660159) 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, 107863296 + ... + 107868533.

It is an arithmetic number, because the mean of its divisors is an integer number (52854298350).

Almost surely, 2^565001660151 is an apocalyptic number.

565001660151 is a deficient number, since it is larger than the sum of its proper divisors (280667113449).

565001660151 is a wasteful number, since it uses less digits than its factorization.

565001660151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215731935 (or 215731929 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 565001660151 in words is "five hundred sixty-five billion, one million, six hundred sixty thousand, one hundred fifty-one".