364688661 has 8 divisors (see below), whose sum is σ = 487228000. Its totient is φ = 242637552.

The previous prime is 364688647. The next prime is 364688663. The reversal of 364688661 is 166886463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 364688661 - 2¹³ = 364680469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 364688661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (364688663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120310 + ... + 123303.

It is an arithmetic number, because the mean of its divisors is an integer number (60903500).

Almost surely, 2^364688661 is an apocalyptic number.

It is an amenable number.

364688661 is a deficient number, since it is larger than the sum of its proper divisors (122539339).

364688661 is a wasteful number, since it uses less digits than its factorization.

364688661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244115.

The product of its digits is 995328, while the sum is 48.

The square root of 364688661 is about 19096.8233222178. The cubic root of 364688661 is about 714.4536952028.

The spelling of 364688661 in words is "three hundred sixty-four million, six hundred eighty-eight thousand, six hundred sixty-one".