2158208848 has 10 divisors (see below), whose sum is σ = 4181529674. Its totient is φ = 1079104416.

The previous prime is 2158208807. The next prime is 2158208851. The reversal of 2158208848 is 8488028512.

It can be written as a sum of positive squares in only one way, i.e., 2056441104 + 101767744 = 45348^2 + 10088^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2158208798 and 2158208807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67444011 + ... + 67444042.

Almost surely, 2^2158208848 is an apocalyptic number.

It is an amenable number.

2158208848 is a deficient number, since it is larger than the sum of its proper divisors (2023320826).

2158208848 is a wasteful number, since it uses less digits than its factorization.

2158208848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134888061 (or 134888055 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 46.

The square root of 2158208848 is about 46456.5264306319. The cubic root of 2158208848 is about 1292.3034078017.

The spelling of 2158208848 in words is "two billion, one hundred fifty-eight million, two hundred eight thousand, eight hundred forty-eight".