665414116246 has 32 divisors (see below), whose sum is σ = 1157013084960. Its totient is φ = 283656038400.

The previous prime is 665414116243. The next prime is 665414116247. The reversal of 665414116246 is 642611414566.

It is a super-2 number, since 2×665414116246² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 665414116196 and 665414116205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665414116243) 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, 3060711 + ... + 3270898.

It is an arithmetic number, because the mean of its divisors is an integer number (36156658905).

Almost surely, 2^665414116246 is an apocalyptic number.

665414116246 is a deficient number, since it is larger than the sum of its proper divisors (491598968714).

665414116246 is a wasteful number, since it uses less digits than its factorization.

665414116246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6331920.

The product of its digits is 829440, while the sum is 46.

The spelling of 665414116246 in words is "six hundred sixty-five billion, four hundred fourteen million, one hundred sixteen thousand, two hundred forty-six".