6602208660 has 72 divisors (see below), whose sum is σ = 20049862560. Its totient is φ = 1758552768.

The previous prime is 6602208659. The next prime is 6602208667. The reversal of 6602208660 is 668022066.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6602208667) 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, 138171 + ... + 179709.

Almost surely, 2^6602208660 is an apocalyptic number.

6602208660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6602208660 is an abundant number, since it is smaller than the sum of its proper divisors (13447653900).

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

6602208660 is a wasteful number, since it uses less digits than its factorization.

6602208660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42437 (or 42432 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 6602208660 is about 81253.9762719339. The cubic root of 6602208660 is about 1875.9866721639.

The spelling of 6602208660 in words is "six billion, six hundred two million, two hundred eight thousand, six hundred sixty".