216042795 has 64 divisors (see below), whose sum is σ = 406195200. Its totient is φ = 110084832.

The previous prime is 216042769. The next prime is 216042803. The reversal of 216042795 is 597240612.

216042795 is a `hidden beast` number, since 21 + 604 + 27 + 9 + 5 = 666.

It is not a de Polignac number, because 216042795 - 2⁶ = 216042731 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 251076 + ... + 251934.

It is an arithmetic number, because the mean of its divisors is an integer number (6346800).

Almost surely, 2^216042795 is an apocalyptic number.

216042795 is a deficient number, since it is larger than the sum of its proper divisors (190152405).

216042795 is an frugal number, since it uses more digits than its factorization.

216042795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 216042795 is about 14698.3943000588. The cubic root of 216042795 is about 600.0396223834.

The spelling of 216042795 in words is "two hundred sixteen million, forty-two thousand, seven hundred ninety-five".