3764664665 has 8 divisors (see below), whose sum is σ = 4536501120. Its totient is φ = 2999129392.

The previous prime is 3764664661. The next prime is 3764664697. The reversal of 3764664665 is 5664664673.

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

It is a cyclic number.

It is not a de Polignac number, because 3764664665 - 2² = 3764664661 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3764664661) 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, 1573979 + ... + 1576368.

It is an arithmetic number, because the mean of its divisors is an integer number (567062640).

Almost surely, 2^3764664665 is an apocalyptic number.

It is an amenable number.

3764664665 is a deficient number, since it is larger than the sum of its proper divisors (771836455).

3764664665 is a wasteful number, since it uses less digits than its factorization.

3764664665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3150591.

The product of its digits is 13063680, while the sum is 53.

The square root of 3764664665 is about 61356.8632265373. The cubic root of 3764664665 is about 1555.6387976590.

The spelling of 3764664665 in words is "three billion, seven hundred sixty-four million, six hundred sixty-four thousand, six hundred sixty-five".