366666664 has 32 divisors (see below), whose sum is σ = 846155520. Its totient is φ = 145054656.

The previous prime is 366666647. The next prime is 366666689. The reversal of 366666664 is 466666663.

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, 251104 + ... + 252559.

It is an arithmetic number, because the mean of its divisors is an integer number (26442360).

Almost surely, 2^366666664 is an apocalyptic number.

It is an amenable number.

366666664 is an abundant number, since it is smaller than the sum of its proper divisors (479488856).

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

366666664 is a wasteful number, since it uses less digits than its factorization.

366666664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503689 (or 503685 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 49.

The square root of 366666664 is about 19148.5420854957. The cubic root of 366666664 is about 715.7430546045.

Subtracting 366666664 from its reverse (466666663), we obtain a palindrome (99999999).

The spelling of 366666664 in words is "three hundred sixty-six million, six hundred sixty-six thousand, six hundred sixty-four".