361792665 has 72 divisors (see below), whose sum is σ = 686693592. Its totient is φ = 176117760.

The previous prime is 361792663. The next prime is 361792693. The reversal of 361792665 is 566297163.

361792665 is a `hidden beast` number, since 3 + 617 + 9 + 26 + 6 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 361418121 + 374544 = 19011^2 + 612^2 .

It is not a de Polignac number, because 361792665 - 2¹ = 361792663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 361792665.

It is not an unprimeable number, because it can be changed into a prime (361792663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 859155 + ... + 859575.

It is an arithmetic number, because the mean of its divisors is an integer number (9537411).

Almost surely, 2^361792665 is an apocalyptic number.

It is an amenable number.

361792665 is a deficient number, since it is larger than the sum of its proper divisors (324900927).

361792665 is a wasteful number, since it uses less digits than its factorization.

361792665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 555 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 361792665 is about 19020.8481672085. The cubic root of 361792665 is about 712.5575059772.

The spelling of 361792665 in words is "three hundred sixty-one million, seven hundred ninety-two thousand, six hundred sixty-five".