216193395 has 32 divisors (see below), whose sum is σ = 381049344. Its totient is φ = 103795200.

The previous prime is 216193387. The next prime is 216193409. The reversal of 216193395 is 593391612.

It is not a de Polignac number, because 216193395 - 2³ = 216193387 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10635 + ... + 23355.

It is an arithmetic number, because the mean of its divisors is an integer number (11907792).

Almost surely, 2^216193395 is an apocalyptic number.

216193395 is a deficient number, since it is larger than the sum of its proper divisors (164855949).

216193395 is a wasteful number, since it uses less digits than its factorization.

216193395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12843.

The product of its digits is 43740, while the sum is 39.

The square root of 216193395 is about 14703.5164161503. The cubic root of 216193395 is about 600.1790160279.

The spelling of 216193395 in words is "two hundred sixteen million, one hundred ninety-three thousand, three hundred ninety-five".