65665500111006 has 64 divisors (see below), whose sum is σ = 140138708726016. Its totient is φ = 20440639065600.

The previous prime is 65665500110983. The next prime is 65665500111019. The reversal of 65665500111006 is 60011100556656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90245361 + ... + 90970083.

It is an arithmetic number, because the mean of its divisors is an integer number (2189667323844).

Almost surely, 2^{65665500111006} is an apocalyptic number.

65665500111006 is an abundant number, since it is smaller than the sum of its proper divisors (74473208615010).

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

65665500111006 is a wasteful number, since it uses less digits than its factorization.

65665500111006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731657.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 65665500111006 in words is "sixty-five trillion, six hundred sixty-five billion, five hundred million, one hundred eleven thousand, six".