666462264666 has 16 divisors (see below), whose sum is σ = 1454099486688. Its totient is φ = 201958262000.

The previous prime is 666462264647. The next prime is 666462264679.

666462264666 is nontrivially palindromic in base 10.

It is a Curzon number.

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, 5048956485 + ... + 5048956616.

It is an arithmetic number, because the mean of its divisors is an integer number (90881217918).

Almost surely, 2^666462264666 is an apocalyptic number.

666462264666 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

666462264666 is an abundant number, since it is smaller than the sum of its proper divisors (787637222022).

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

666462264666 is a wasteful number, since it uses less digits than its factorization.

666462264666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10097913117.

The product of its digits is 107495424, while the sum is 60.

The spelling of 666462264666 in words is "six hundred sixty-six billion, four hundred sixty-two million, two hundred sixty-four thousand, six hundred sixty-six".