666367662 has 16 divisors (see below), whose sum is σ = 1352627712. Its totient is φ = 218807160.

The previous prime is 666367643. The next prime is 666367673. The reversal of 666367662 is 266763666.

It is a congruent 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, 828414 + ... + 829217.

It is an arithmetic number, because the mean of its divisors is an integer number (84539232).

Almost surely, 2^666367662 is an apocalyptic number.

666367662 is an abundant number, since it is smaller than the sum of its proper divisors (686260050).

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

666367662 is a wasteful number, since it uses less digits than its factorization.

666367662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657703.

The product of its digits is 1959552, while the sum is 48.

The square root of 666367662 is about 25814.0981248619. The cubic root of 666367662 is about 873.4498428882.

The spelling of 666367662 in words is "six hundred sixty-six million, three hundred sixty-seven thousand, six hundred sixty-two".