216795075 has 24 divisors (see below), whose sum is σ = 409640448. Its totient is φ = 99106080.

The previous prime is 216795023. The next prime is 216795077. The reversal of 216795075 is 570597612.

216795075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-216795075 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216795077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205947 + ... + 206996.

It is an arithmetic number, because the mean of its divisors is an integer number (17068352).

Almost surely, 2^216795075 is an apocalyptic number.

216795075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

216795075 is a deficient number, since it is larger than the sum of its proper divisors (192845373).

216795075 is a wasteful number, since it uses less digits than its factorization.

216795075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412963 (or 412958 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 42.

The square root of 216795075 is about 14723.9626120145. The cubic root of 216795075 is about 600.7352791285.

The spelling of 216795075 in words is "two hundred sixteen million, seven hundred ninety-five thousand, seventy-five".