665062260567 has 16 divisors (see below), whose sum is σ = 927899215200. Its totient is φ = 423252266112.

The previous prime is 665062260547. The next prime is 665062260581. The reversal of 665062260567 is 765062260566.

It is not a de Polignac number, because 665062260567 - 2⁷ = 665062260439 is a prime.

It is a super-2 number, since 2×665062260567² (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 (665062260547) 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, 56518192 + ... + 56529957.

It is an arithmetic number, because the mean of its divisors is an integer number (57993700950).

Almost surely, 2^665062260567 is an apocalyptic number.

665062260567 is a deficient number, since it is larger than the sum of its proper divisors (262836954633).

665062260567 is a wasteful number, since it uses less digits than its factorization.

665062260567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113048242.

The product of its (nonzero) digits is 5443200, while the sum is 51.

Subtracting 665062260567 from its reverse (765062260566), we obtain a palindrome (99999999999).

The spelling of 665062260567 in words is "six hundred sixty-five billion, sixty-two million, two hundred sixty thousand, five hundred sixty-seven".