665832114564 has 24 divisors (see below), whose sum is σ = 1553631418080. Its totient is φ = 221940730944.

The previous prime is 665832114539. The next prime is 665832114589. The reversal of 665832114564 is 465411238566.

It is an interprime number because it is at equal distance from previous prime (665832114539) and next prime (665832114589).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507507 + ... + 1260645.

It is an arithmetic number, because the mean of its divisors is an integer number (64734642420).

Almost surely, 2^665832114564 is an apocalyptic number.

It is an amenable number.

665832114564 is an abundant number, since it is smaller than the sum of its proper divisors (887799303516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

665832114564 is a wasteful number, since it uses less digits than its factorization.

665832114564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826819 (or 826817 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 51.

The spelling of 665832114564 in words is "six hundred sixty-five billion, eight hundred thirty-two million, one hundred fourteen thousand, five hundred sixty-four".