3516315665 has 16 divisors (see below), whose sum is σ = 4259619840. Its totient is φ = 2786451840.

The previous prime is 3516315637. The next prime is 3516315697. The reversal of 3516315665 is 5665136153.

It is a happy number.

It is not a de Polignac number, because 3516315665 - 2¹⁸ = 3516053521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312080 + ... + 323150.

It is an arithmetic number, because the mean of its divisors is an integer number (266226240).

Almost surely, 2^3516315665 is an apocalyptic number.

It is an amenable number.

3516315665 is a deficient number, since it is larger than the sum of its proper divisors (743304175).

3516315665 is a wasteful number, since it uses less digits than its factorization.

3516315665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11672.

The product of its digits is 243000, while the sum is 41.

The square root of 3516315665 is about 59298.5300408029. The cubic root of 3516315665 is about 1520.6500660396.

The spelling of 3516315665 in words is "three billion, five hundred sixteen million, three hundred fifteen thousand, six hundred sixty-five".