10999116 has 36 divisors (see below), whose sum is σ = 27928992. Its totient is φ = 3649824.

The previous prime is 10999097. The next prime is 10999147. The reversal of 10999116 is 61199901.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9421 + ... + 10523.

Almost surely, 2^10999116 is an apocalyptic number.

It is an amenable number.

10999116 is an abundant number, since it is smaller than the sum of its proper divisors (16929876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10999116 is a wasteful number, since it uses less digits than its factorization.

10999116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390 (or 1385 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 36.

The square root of 10999116 is about 3316.4915196635. The cubic root of 10999116 is about 222.3920513264.

It can be divided in two parts, 109 and 99116, that added together give a square (99225 = 315²).

The spelling of 10999116 in words is "ten million, nine hundred ninety-nine thousand, one hundred sixteen".