2161048756 has 24 divisors (see below), whose sum is σ = 3842796384. Its totient is φ = 1063212000.

The previous prime is 2161048739. The next prime is 2161048759. The reversal of 2161048756 is 6578401612.

2161048756 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 not an unprimeable number, because it can be changed into a prime (2161048759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70366 + ... + 96298.

It is an arithmetic number, because the mean of its divisors is an integer number (160116516).

Almost surely, 2^2161048756 is an apocalyptic number.

It is an amenable number.

2161048756 is a deficient number, since it is larger than the sum of its proper divisors (1681747628).

2161048756 is a wasteful number, since it uses less digits than its factorization.

2161048756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26271 (or 26269 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2161048756 is about 46487.0816033874. The cubic root of 2161048756 is about 1292.8699909378.

The spelling of 2161048756 in words is "two billion, one hundred sixty-one million, forty-eight thousand, seven hundred fifty-six".