265327664007 has 16 divisors (see below), whose sum is σ = 405435041280. Its totient is φ = 151193475552.

The previous prime is 265327664003. The next prime is 265327664023. The reversal of 265327664007 is 700466723562.

It is not a de Polignac number, because 265327664007 - 2² = 265327664003 is a prime.

It is a super-2 number, since 2×265327664007² (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 (265327664003) 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, 17589468 + ... + 17604545.

It is an arithmetic number, because the mean of its divisors is an integer number (25339690080).

Almost surely, 2^265327664007 is an apocalyptic number.

265327664007 is a deficient number, since it is larger than the sum of its proper divisors (140107377273).

265327664007 is a wasteful number, since it uses less digits than its factorization.

265327664007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35194382.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 265327664007 in words is "two hundred sixty-five billion, three hundred twenty-seven million, six hundred sixty-four thousand, seven".