2159508156 has 48 divisors (see below), whose sum is σ = 5712067200. Its totient is φ = 629491392.

The previous prime is 2159508103. The next prime is 2159508179. The reversal of 2159508156 is 6518059512.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361326 + ... + 367253.

It is an arithmetic number, because the mean of its divisors is an integer number (119001400).

Almost surely, 2^2159508156 is an apocalyptic number.

2159508156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2159508156 is an abundant number, since it is smaller than the sum of its proper divisors (3552559044).

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

2159508156 is a wasteful number, since it uses less digits than its factorization.

2159508156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728618 (or 728616 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 42.

The square root of 2159508156 is about 46470.5084542874. The cubic root of 2159508156 is about 1292.5626912215.

The spelling of 2159508156 in words is "two billion, one hundred fifty-nine million, five hundred eight thousand, one hundred fifty-six".