366561315 has 16 divisors (see below), whose sum is σ = 651664800. Its totient is φ = 195499296.

The previous prime is 366561311. The next prime is 366561317. The reversal of 366561315 is 513165663.

366561315 is a `hidden beast` number, since 3 + 66 + 561 + 31 + 5 = 666.

It is not a de Polignac number, because 366561315 - 2² = 366561311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 366561315.

It is not an unprimeable number, because it can be changed into a prime (366561311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357500 + ... + 1357769.

It is an arithmetic number, because the mean of its divisors is an integer number (40729050).

Almost surely, 2^366561315 is an apocalyptic number.

366561315 is a deficient number, since it is larger than the sum of its proper divisors (285103485).

366561315 is a wasteful number, since it uses less digits than its factorization.

366561315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715283 (or 2715277 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 366561315 is about 19145.7910518213. The cubic root of 366561315 is about 715.6745000243.

It can be divided in two parts, 3665 and 61315, that added together give a triangular number (64980 = T₃₆₀).

The spelling of 366561315 in words is "three hundred sixty-six million, five hundred sixty-one thousand, three hundred fifteen".