366656664 has 64 divisors (see below), whose sum is σ = 1009946880. Its totient is φ = 110000000.

The previous prime is 366656659. The next prime is 366656669. The reversal of 366656664 is 466656663.

It is an interprime number because it is at equal distance from previous prime (366656659) and next prime (366656669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366656669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19789 + ... + 33539.

It is an arithmetic number, because the mean of its divisors is an integer number (15780420).

Almost surely, 2^366656664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 366656664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504973440).

366656664 is an abundant number, since it is smaller than the sum of its proper divisors (643290216).

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

366656664 is a wasteful number, since it uses less digits than its factorization.

366656664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13872 (or 13868 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 48.

The square root of 366656664 is about 19148.2809672305. The cubic root of 366656664 is about 715.7365477903.

Subtracting 366656664 from its reverse (466656663), we obtain a palindrome (99999999).

The spelling of 366656664 in words is "three hundred sixty-six million, six hundred fifty-six thousand, six hundred sixty-four".