3916800065 has 16 divisors (see below), whose sum is σ = 4906742400. Its totient is φ = 2995842432.

The previous prime is 3916800061. The next prime is 3916800077. The reversal of 3916800065 is 5600086193.

It is a cyclic number.

It is not a de Polignac number, because 3916800065 - 2² = 3916800061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3916800061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299381 + ... + 312189.

It is an arithmetic number, because the mean of its divisors is an integer number (306671400).

Almost surely, 2^3916800065 is an apocalyptic number.

It is an amenable number.

3916800065 is a deficient number, since it is larger than the sum of its proper divisors (989942335).

3916800065 is a wasteful number, since it uses less digits than its factorization.

3916800065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15496.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 3916800065 is about 62584.3436092446. The cubic root of 3916800065 is about 1576.3178777288.

The spelling of 3916800065 in words is "three billion, nine hundred sixteen million, eight hundred thousand, sixty-five".