2158783332 has 96 divisors (see below), whose sum is σ = 5419008000. Its totient is φ = 667603200.

The previous prime is 2158783313. The next prime is 2158783397. The reversal of 2158783332 is 2333878512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 898669 + ... + 901067.

It is an arithmetic number, because the mean of its divisors is an integer number (56448000).

Almost surely, 2^2158783332 is an apocalyptic number.

It is an amenable number.

2158783332 is an abundant number, since it is smaller than the sum of its proper divisors (3260224668).

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

2158783332 is a wasteful number, since it uses less digits than its factorization.

2158783332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537 (or 2535 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 2158783332 is about 46462.7090471488. The cubic root of 2158783332 is about 1292.4180617918.

The spelling of 2158783332 in words is "two billion, one hundred fifty-eight million, seven hundred eighty-three thousand, three hundred thirty-two".