2151477168 has 20 divisors (see below), whose sum is σ = 5557982808. Its totient is φ = 717159040.

The previous prime is 2151477151. The next prime is 2151477191. The reversal of 2151477168 is 8617741512.

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, 22411173 + ... + 22411268.

Almost surely, 2^2151477168 is an apocalyptic number.

It is an amenable number.

2151477168 is an abundant number, since it is smaller than the sum of its proper divisors (3406505640).

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

2151477168 is a wasteful number, since it uses less digits than its factorization.

2151477168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44822452 (or 44822446 counting only the distinct ones).

The product of its digits is 94080, while the sum is 42.

The square root of 2151477168 is about 46384.0184546359. The cubic root of 2151477168 is about 1290.9583984172.

The spelling of 2151477168 in words is "two billion, one hundred fifty-one million, four hundred seventy-seven thousand, one hundred sixty-eight".