366566994 has 24 divisors (see below), whose sum is σ = 794607372. Its totient is φ = 122130720.

The previous prime is 366566987. The next prime is 366566999. The reversal of 366566994 is 499665663.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 366224769 + 342225 = 19137^2 + 585^2 .

It is a super-2 number, since 2×366566994² = 268742722180392072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 366566994.

It is not an unprimeable number, because it can be changed into a prime (366566999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51772 + ... + 58424.

Almost surely, 2^366566994 is an apocalyptic number.

366566994 is an abundant number, since it is smaller than the sum of its proper divisors (428040378).

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

366566994 is a wasteful number, since it uses less digits than its factorization.

366566994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9722 (or 9719 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 54.

The square root of 366566994 is about 19145.9393606059. The cubic root of 366566994 is about 715.6781958994.

The spelling of 366566994 in words is "three hundred sixty-six million, five hundred sixty-six thousand, nine hundred ninety-four".