6365350665 has 24 divisors (see below), whose sum is σ = 11038060800. Its totient is φ = 3393381024.

The previous prime is 6365350657. The next prime is 6365350669. The reversal of 6365350665 is 5660535636.

6365350665 is a `hidden beast` number, since 6 + 36 + 53 + 506 + 65 = 666.

It is not a de Polignac number, because 6365350665 - 2³ = 6365350657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 6365350665.

It is not an unprimeable number, because it can be changed into a prime (6365350669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78474 + ... + 137436.

It is an arithmetic number, because the mean of its divisors is an integer number (459919200).

Almost surely, 2^6365350665 is an apocalyptic number.

It is an amenable number.

6365350665 is a deficient number, since it is larger than the sum of its proper divisors (4672710135).

6365350665 is a wasteful number, since it uses less digits than its factorization.

6365350665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61373 (or 61370 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 45.

The square root of 6365350665 is about 79783.1477506372. The cubic root of 6365350665 is about 1853.2788859199.

The spelling of 6365350665 in words is "six billion, three hundred sixty-five million, three hundred fifty thousand, six hundred sixty-five".