2168215070 has 32 divisors (see below), whose sum is σ = 4464877248. Its totient is φ = 742629888.

The previous prime is 2168215033. The next prime is 2168215087. The reversal of 2168215070 is 705128612.

It is a Curzon number.

It is a congruent number.

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, 55622 + ... + 86198.

It is an arithmetic number, because the mean of its divisors is an integer number (139527414).

Almost surely, 2^2168215070 is an apocalyptic number.

2168215070 is an abundant number, since it is smaller than the sum of its proper divisors (2296662178).

2168215070 is a wasteful number, since it uses less digits than its factorization.

2168215070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31604.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 2168215070 is about 46564.0963618967. The cubic root of 2168215070 is about 1294.2975215421.

The spelling of 2168215070 in words is "two billion, one hundred sixty-eight million, two hundred fifteen thousand, seventy".