2142856170 has 96 divisors (see below), whose sum is σ = 6857165952. Its totient is φ = 452117376.

The previous prime is 2142856169. The next prime is 2142856189. The reversal of 2142856170 is 716582412.

2142856170 is a `hidden beast` number, since 2 + 1 + 4 + 28 + 561 + 70 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122632 + ... + 139011.

It is an arithmetic number, because the mean of its divisors is an integer number (71428812).

Almost surely, 2^2142856170 is an apocalyptic number.

2142856170 is an abundant number, since it is smaller than the sum of its proper divisors (4714309782).

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

2142856170 is a wasteful number, since it uses less digits than its factorization.

2142856170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261676 (or 261673 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2142856170 is about 46290.9944805682. The cubic root of 2142856170 is about 1289.2317942855.

The spelling of 2142856170 in words is "two billion, one hundred forty-two million, eight hundred fifty-six thousand, one hundred seventy".