2106648732 has 24 divisors (see below), whose sum is σ = 4926474000. Its totient is φ = 700650496.

The previous prime is 2106648727. The next prime is 2106648751. The reversal of 2106648732 is 2378466012.

It is a happy number.

2106648732 is digitally balanced in base 4, 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 7 ways as a sum of consecutive naturals, for example, 190107 + ... + 200882.

It is an arithmetic number, because the mean of its divisors is an integer number (205269750).

Almost surely, 2^2106648732 is an apocalyptic number.

It is an amenable number.

2106648732 is an abundant number, since it is smaller than the sum of its proper divisors (2819825268).

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

2106648732 is a wasteful number, since it uses less digits than its factorization.

2106648732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391445 (or 391443 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 2106648732 is about 45898.2432343548. The cubic root of 2106648732 is about 1281.9292059268.

The spelling of 2106648732 in words is "two billion, one hundred six million, six hundred forty-eight thousand, seven hundred thirty-two".