665414113356 has 72 divisors (see below), whose sum is σ = 1781069354064. Its totient is φ = 208744704000.

The previous prime is 665414113333. The next prime is 665414113367. The reversal of 665414113356 is 653311414566.

665414113356 is a `hidden beast` number, since 6 + 6 + 541 + 41 + 13 + 3 + 56 = 666.

665414113356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19720756 + ... + 19754468.

It is an arithmetic number, because the mean of its divisors is an integer number (24737074362).

Almost surely, 2^665414113356 is an apocalyptic number.

It is an amenable number.

665414113356 is an abundant number, since it is smaller than the sum of its proper divisors (1115655240708).

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

665414113356 is a wasteful number, since it uses less digits than its factorization.

665414113356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65991 (or 65986 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 665414113356 in words is "six hundred sixty-five billion, four hundred fourteen million, one hundred thirteen thousand, three hundred fifty-six".