2161044932 has 12 divisors (see below), whose sum is σ = 3801424956. Its totient is φ = 1074923520.

The previous prime is 2161044929. The next prime is 2161044953. The reversal of 2161044932 is 2394401612.

It can be written as a sum of positive squares in 2 ways, for example, as 1362643396 + 798401536 = 36914^2 + 28256^2 .

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, 1398869 + ... + 1400412.

It is an arithmetic number, because the mean of its divisors is an integer number (316785413).

Almost surely, 2^2161044932 is an apocalyptic number.

It is an amenable number.

2161044932 is a deficient number, since it is larger than the sum of its proper divisors (1640380024).

2161044932 is a wasteful number, since it uses less digits than its factorization.

2161044932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799478 (or 2799476 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2161044932 is about 46487.0404736632. The cubic root of 2161044932 is about 1292.8692283547.

The spelling of 2161044932 in words is "two billion, one hundred sixty-one million, forty-four thousand, nine hundred thirty-two".