2158706082 has 32 divisors (see below), whose sum is σ = 4655665728. Its totient is φ = 663339456.

The previous prime is 2158706063. The next prime is 2158706113. The reversal of 2158706082 is 2806078512.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2158706082.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42393 + ... + 78195.

It is an arithmetic number, because the mean of its divisors is an integer number (145489554).

Almost surely, 2^2158706082 is an apocalyptic number.

2158706082 is an abundant number, since it is smaller than the sum of its proper divisors (2496959646).

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

2158706082 is a wasteful number, since it uses less digits than its factorization.

2158706082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36594.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 2158706082 is about 46461.8777278749. The cubic root of 2158706082 is about 1292.4026456259.

The spelling of 2158706082 in words is "two billion, one hundred fifty-eight million, seven hundred six thousand, eighty-two".