3664670517 has 6 divisors (see below), whose sum is σ = 5293412982. Its totient is φ = 2443113672.

The previous prime is 3664670509. The next prime is 3664670519. The reversal of 3664670517 is 7150764663.

3664670517 is a `hidden beast` number, since 3 + 6 + 64 + 6 + 70 + 517 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2190801636 + 1473868881 = 46806^2 + 38391^2 .

It is not a de Polignac number, because 3664670517 - 2³ = 3664670509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664670519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203592798 + ... + 203592815.

It is an arithmetic number, because the mean of its divisors is an integer number (882235497).

Almost surely, 2^3664670517 is an apocalyptic number.

It is an amenable number.

3664670517 is a deficient number, since it is larger than the sum of its proper divisors (1628742465).

3664670517 is a wasteful number, since it uses less digits than its factorization.

3664670517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407185619 (or 407185616 counting only the distinct ones).

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

The square root of 3664670517 is about 60536.5221746344. The cubic root of 3664670517 is about 1541.7417911104.

The spelling of 3664670517 in words is "three billion, six hundred sixty-four million, six hundred seventy thousand, five hundred seventeen".