216095690 has 16 divisors (see below), whose sum is σ = 389298528. Its totient is φ = 86365776.

The previous prime is 216095669. The next prime is 216095713. The reversal of 216095690 is 96590612.

It is a super-2 number, since 2×216095690² = 93394694473152200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4409 + ... + 21251.

It is an arithmetic number, because the mean of its divisors is an integer number (24331158).

Almost surely, 2^216095690 is an apocalyptic number.

216095690 is a deficient number, since it is larger than the sum of its proper divisors (173202838).

216095690 is a wasteful number, since it uses less digits than its factorization.

216095690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18133.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 216095690 is about 14700.1935361409. The cubic root of 216095690 is about 600.0885887713.

The spelling of 216095690 in words is "two hundred sixteen million, ninety-five thousand, six hundred ninety".