3295643664 has 80 divisors (see below), whose sum is σ = 9024868800. Its totient is φ = 1032744960.

The previous prime is 3295643627. The next prime is 3295643671. The reversal of 3295643664 is 4663465923.

It is a super-2 number, since 2×3295643664² = 21722534320126689792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 953812 + ... + 957260.

It is an arithmetic number, because the mean of its divisors is an integer number (112810860).

Almost surely, 2^3295643664 is an apocalyptic number.

3295643664 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3295643664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4512434400).

3295643664 is an abundant number, since it is smaller than the sum of its proper divisors (5729225136).

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

3295643664 is a wasteful number, since it uses less digits than its factorization.

3295643664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648 (or 4642 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 48.

The square root of 3295643664 is about 57407.6969055544. The cubic root of 3295643664 is about 1488.1501394925.

The spelling of 3295643664 in words is "three billion, two hundred ninety-five million, six hundred forty-three thousand, six hundred sixty-four".