2151799170 has 32 divisors (see below), whose sum is σ = 5180632128. Its totient is φ = 572000448.

The previous prime is 2151799147. The next prime is 2151799183. The reversal of 2151799170 is 719971512.

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, 103624 + ... + 122643.

It is an arithmetic number, because the mean of its divisors is an integer number (161894754).

Almost surely, 2^2151799170 is an apocalyptic number.

2151799170 is an abundant number, since it is smaller than the sum of its proper divisors (3028832958).

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

2151799170 is a wasteful number, since it uses less digits than its factorization.

2151799170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226594.

The product of its (nonzero) digits is 39690, while the sum is 42.

The square root of 2151799170 is about 46387.4893694410. The cubic root of 2151799170 is about 1291.0227992013.

The spelling of 2151799170 in words is "two billion, one hundred fifty-one million, seven hundred ninety-nine thousand, one hundred seventy".