3658307665 has 8 divisors (see below), whose sum is σ = 4580837568. Its totient is φ = 2799400560.

The previous prime is 3658307657. The next prime is 3658307701. The reversal of 3658307665 is 5667038563.

3658307665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3658307665 - 2³ = 3658307657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15905571 + ... + 15905800.

It is an arithmetic number, because the mean of its divisors is an integer number (572604696).

Almost surely, 2^3658307665 is an apocalyptic number.

It is an amenable number.

3658307665 is a deficient number, since it is larger than the sum of its proper divisors (922529903).

3658307665 is a wasteful number, since it uses less digits than its factorization.

3658307665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31811399.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The square root of 3658307665 is about 60483.9455144917. The cubic root of 3658307665 is about 1540.8489816202.

The spelling of 3658307665 in words is "three billion, six hundred fifty-eight million, three hundred seven thousand, six hundred sixty-five".