2168186152 has 16 divisors (see below), whose sum is σ = 4434926400. Its totient is φ = 985539120.

The previous prime is 2168186147. The next prime is 2168186173. The reversal of 2168186152 is 2516818612.

It is a happy number.

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, 12319152 + ... + 12319327.

It is an arithmetic number, because the mean of its divisors is an integer number (277182900).

Almost surely, 2^2168186152 is an apocalyptic number.

2168186152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2168186152 is an abundant number, since it is smaller than the sum of its proper divisors (2266740248).

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

2168186152 is a wasteful number, since it uses less digits than its factorization.

2168186152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24638496 (or 24638492 counting only the distinct ones).

The product of its digits is 46080, while the sum is 40.

The square root of 2168186152 is about 46563.7858426481. The cubic root of 2168186152 is about 1294.2917673986.

The spelling of 2168186152 in words is "two billion, one hundred sixty-eight million, one hundred eighty-six thousand, one hundred fifty-two".