216375711 has 8 divisors (see below), whose sum is σ = 305471664. Its totient is φ = 135765120.

The previous prime is 216375703. The next prime is 216375739. The reversal of 216375711 is 117573612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216375711 - 2³ = 216375703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216375701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2121280 + ... + 2121381.

It is an arithmetic number, because the mean of its divisors is an integer number (38183958).

Almost surely, 2^216375711 is an apocalyptic number.

216375711 is a deficient number, since it is larger than the sum of its proper divisors (89095953).

216375711 is a wasteful number, since it uses less digits than its factorization.

216375711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242681.

The product of its digits is 8820, while the sum is 33.

The square root of 216375711 is about 14709.7148510772. The cubic root of 216375711 is about 600.3476790488.

The spelling of 216375711 in words is "two hundred sixteen million, three hundred seventy-five thousand, seven hundred eleven".