666162200202 has 16 divisors (see below), whose sum is σ = 1352209840032. Its totient is φ = 218739826800.

The previous prime is 666162200173. The next prime is 666162200219. The reversal of 666162200202 is 202002261666.

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, 828559549 + ... + 828560352.

It is an arithmetic number, because the mean of its divisors is an integer number (84513115002).

Almost surely, 2^666162200202 is an apocalyptic number.

666162200202 is an abundant number, since it is smaller than the sum of its proper divisors (686047639830).

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

666162200202 is a wasteful number, since it uses less digits than its factorization.

666162200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657119973.

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

Adding to 666162200202 its reverse (202002261666), we get a palindrome (868164461868).

The spelling of 666162200202 in words is "six hundred sixty-six billion, one hundred sixty-two million, two hundred thousand, two hundred two".