6604106220 has 36 divisors (see below), whose sum is σ = 20032456080. Its totient is φ = 1761094944.

The previous prime is 6604106213. The next prime is 6604106221. The reversal of 6604106220 is 226014066.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×6604106220² = 87228437930085376800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6604106221) 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, 18344560 + ... + 18344919.

Almost surely, 2^6604106220 is an apocalyptic number.

6604106220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6604106220 is an abundant number, since it is smaller than the sum of its proper divisors (13428349860).

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

6604106220 is a wasteful number, since it uses less digits than its factorization.

6604106220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36689494 (or 36689489 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 6604106220 is about 81265.6521539082. The cubic root of 6604106220 is about 1876.1663825438.

The spelling of 6604106220 in words is "six billion, six hundred four million, one hundred six thousand, two hundred twenty".