2660623512 has 16 divisors (see below), whose sum is σ = 6651558840. Its totient is φ = 886874496.

The previous prime is 2660623477. The next prime is 2660623613. The reversal of 2660623512 is 2153260662.

2660623512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55429633 + ... + 55429680.

Almost surely, 2^2660623512 is an apocalyptic number.

It is an amenable number.

2660623512 is an abundant number, since it is smaller than the sum of its proper divisors (3990935328).

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

2660623512 is a wasteful number, since it uses less digits than its factorization.

2660623512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110859322 (or 110859318 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2660623512 is about 51581.2321682994. The cubic root of 2660623512 is about 1385.6742340559.

The spelling of 2660623512 in words is "two billion, six hundred sixty million, six hundred twenty-three thousand, five hundred twelve".