216103099 has 16 divisors (see below), whose sum is σ = 239198400. Its totient is φ = 194310144.

The previous prime is 216103091. The next prime is 216103103. The reversal of 216103099 is 990301612.

It is a cyclic number.

It is not a de Polignac number, because 216103099 - 2³ = 216103091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216103099.

It is not an unprimeable number, because it can be changed into a prime (216103091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45562 + ... + 50080.

It is an arithmetic number, because the mean of its divisors is an integer number (14949900).

Almost surely, 2^216103099 is an apocalyptic number.

216103099 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

216103099 is a deficient number, since it is larger than the sum of its proper divisors (23095301).

216103099 is a wasteful number, since it uses less digits than its factorization.

216103099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 216103099 is about 14700.4455374659. The cubic root of 216103099 is about 600.0954468527.

The spelling of 216103099 in words is "two hundred sixteen million, one hundred three thousand, ninety-nine".