2660420604 has 24 divisors (see below), whose sum is σ = 6209120848. Its totient is φ = 886596480.

The previous prime is 2660420597. The next prime is 2660420671. The reversal of 2660420604 is 4060240662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31464 + ... + 79440.

Almost surely, 2^2660420604 is an apocalyptic number.

It is an amenable number.

2660420604 is an abundant number, since it is smaller than the sum of its proper divisors (3548700244).

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

2660420604 is a wasteful number, since it uses less digits than its factorization.

2660420604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52605 (or 52603 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 2660420604 is about 51579.2652526187. The cubic root of 2660420604 is about 1385.6390077848.

The spelling of 2660420604 in words is "two billion, six hundred sixty million, four hundred twenty thousand, six hundred four".