3316663665 has 40 divisors (see below), whose sum is σ = 6794779200. Its totient is φ = 1516187808.

The previous prime is 3316663661. The next prime is 3316663697. The reversal of 3316663665 is 5663666133.

It is not a de Polignac number, because 3316663665 - 2² = 3316663661 is a prime.

It is a super-2 number, since 2×3316663665² = 22000515733462464450, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3316663665.

It is not an unprimeable number, because it can be changed into a prime (3316663661) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 582115 + ... + 587784.

It is an arithmetic number, because the mean of its divisors is an integer number (169869480).

Almost surely, 2^3316663665 is an apocalyptic number.

3316663665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3316663665 is an abundant number, since it is smaller than the sum of its proper divisors (3478115535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3316663665 is a wasteful number, since it uses less digits than its factorization.

3316663665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169923 (or 1169914 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 45.

The square root of 3316663665 is about 57590.4824168022. The cubic root of 3316663665 is about 1491.3073019780.

The spelling of 3316663665 in words is "three billion, three hundred sixteen million, six hundred sixty-three thousand, six hundred sixty-five".