364775661 has 12 divisors (see below), whose sum is σ = 554629920. Its totient is φ = 230384520.

The previous prime is 364775617. The next prime is 364775689. The reversal of 364775661 is 166577463.

It is not a de Polignac number, because 364775661 - 2¹⁵ = 364742893 is a prime.

It is a super-2 number, since 2×364775661² = 266122565715973842, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (364770661) 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, 1066425 + ... + 1066766.

It is an arithmetic number, because the mean of its divisors is an integer number (46219160).

Almost surely, 2^364775661 is an apocalyptic number.

It is an amenable number.

364775661 is a deficient number, since it is larger than the sum of its proper divisors (189854259).

364775661 is a wasteful number, since it uses less digits than its factorization.

364775661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133216 (or 2133213 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 364775661 is about 19099.1010521438. The cubic root of 364775661 is about 714.5105039605.

The spelling of 364775661 in words is "three hundred sixty-four million, seven hundred seventy-five thousand, six hundred sixty-one".