6602640100 has 36 divisors (see below), whose sum is σ = 16374549184. Its totient is φ = 2263762080.

The previous prime is 6602640091. The next prime is 6602640103. The reversal of 6602640100 is 10462066.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (6602640103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4715472 + ... + 4716871.

Almost surely, 2^6602640100 is an apocalyptic number.

It is an amenable number.

6602640100 is an abundant number, since it is smaller than the sum of its proper divisors (9771909084).

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

6602640100 is a wasteful number, since it uses less digits than its factorization.

6602640100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9432364 (or 9432357 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6602640100 is about 81256.6311140205. The cubic root of 6602640100 is about 1876.0275351590.

The spelling of 6602640100 in words is "six billion, six hundred two million, six hundred forty thousand, one hundred".