6606549420 has 24 divisors (see below), whose sum is σ = 18498338544. Its totient is φ = 1761746496.

The previous prime is 6606549359. The next prime is 6606549437. The reversal of 6606549420 is 249456066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55054519 + ... + 55054638.

It is an arithmetic number, because the mean of its divisors is an integer number (770764106).

Almost surely, 2^6606549420 is an apocalyptic number.

6606549420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6606549420 is an abundant number, since it is smaller than the sum of its proper divisors (11891789124).

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

6606549420 is a wasteful number, since it uses less digits than its factorization.

6606549420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110109169 (or 110109167 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 6606549420 is about 81280.6829449655. The cubic root of 6606549420 is about 1876.3977176355.

The spelling of 6606549420 in words is "six billion, six hundred six million, five hundred forty-nine thousand, four hundred twenty".