216992110 has 8 divisors (see below), whose sum is σ = 390585816. Its totient is φ = 86796840.

The previous prime is 216992107. The next prime is 216992119. The reversal of 216992110 is 11299612.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216992119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10849596 + ... + 10849615.

It is an arithmetic number, because the mean of its divisors is an integer number (48823227).

Almost surely, 2^216992110 is an apocalyptic number.

216992110 is a deficient number, since it is larger than the sum of its proper divisors (173593706).

216992110 is a wasteful number, since it uses less digits than its factorization.

216992110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21699218.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 216992110 is about 14730.6520561719. The cubic root of 216992110 is about 600.9172175093.

The spelling of 216992110 in words is "two hundred sixteen million, nine hundred ninety-two thousand, one hundred ten".