100816899 has 16 divisors (see below), whose sum is σ = 137255040. Its totient is φ = 65804480.

The previous prime is 100816883. The next prime is 100816901. The reversal of 100816899 is 998618001.

It is a cyclic number.

It is not a de Polignac number, because 100816899 - 2⁴ = 100816883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100816899.

It is not an unprimeable number, because it can be changed into a prime (100816879) 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, 48724 + ... + 50750.

It is an arithmetic number, because the mean of its divisors is an integer number (8578440).

Almost surely, 2^100816899 is an apocalyptic number.

100816899 is a deficient number, since it is larger than the sum of its proper divisors (36438141).

100816899 is a wasteful number, since it uses less digits than its factorization.

100816899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 100816899 is about 10040.7618734835. The cubic root of 100816899 is about 465.4193603841.

The spelling of 100816899 in words is "one hundred million, eight hundred sixteen thousand, eight hundred ninety-nine".