366681664 has 28 divisors (see below), whose sum is σ = 732288604. Its totient is φ = 182168064.

The previous prime is 366681661. The next prime is 366681767. The reversal of 366681664 is 466186663.

It can be written as a sum of positive squares in 2 ways, for example, as 50126400 + 316555264 = 7080^2 + 17792^2 .

It is not an unprimeable number, because it can be changed into a prime (366681661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8199 + ... + 28294.

Almost surely, 2^366681664 is an apocalyptic number.

It is an amenable number.

366681664 is a deficient number, since it is larger than the sum of its proper divisors (365606940).

366681664 is a wasteful number, since it uses less digits than its factorization.

366681664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36662 (or 36652 counting only the distinct ones).

The product of its digits is 746496, while the sum is 46.

The square root of 366681664 is about 19148.9337562173. The cubic root of 366681664 is about 715.7528146041.

The spelling of 366681664 in words is "three hundred sixty-six million, six hundred eighty-one thousand, six hundred sixty-four".