366165225 has 24 divisors (see below), whose sum is σ = 672660320. Its totient is φ = 195287760.

The previous prime is 366165161. The next prime is 366165259. The reversal of 366165225 is 522561663.

It is a happy number.

366165225 is a `hidden beast` number, since 36 + 616 + 5 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 366165225 - 2⁶ = 366165161 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 366165225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270559 + ... + 271908.

Almost surely, 2^366165225 is an apocalyptic number.

It is an amenable number.

366165225 is a deficient number, since it is larger than the sum of its proper divisors (306495095).

366165225 is a wasteful number, since it uses less digits than its factorization.

366165225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542486 (or 542475 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 366165225 is about 19135.4442070206. Note that the first 3 decimals coincide. The cubic root of 366165225 is about 715.4166316817.

It can be divided in two parts, 3661 and 65225, that added together give a palindrome (68886).

The spelling of 366165225 in words is "three hundred sixty-six million, one hundred sixty-five thousand, two hundred twenty-five".