666038202 has 16 divisors (see below), whose sum is σ = 1334934432. Its totient is φ = 221536400.

The previous prime is 666038173. The next prime is 666038213. The reversal of 666038202 is 202830666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116049 + ... + 121652.

It is an arithmetic number, because the mean of its divisors is an integer number (83433402).

Almost surely, 2^666038202 is an apocalyptic number.

666038202 is an abundant number, since it is smaller than the sum of its proper divisors (668896230).

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

666038202 is a wasteful number, since it uses less digits than its factorization.

666038202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238173.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 666038202 is about 25807.7159392303. The cubic root of 666038202 is about 873.3058712043.

Adding to 666038202 its reverse (202830666), we get a palindrome (868868868).

The spelling of 666038202 in words is "six hundred sixty-six million, thirty-eight thousand, two hundred two".