10999616 has 14 divisors (see below), whose sum is σ = 21827490. Its totient is φ = 5499776.

The previous prime is 10999601. The next prime is 10999621. The reversal of 10999616 is 61699901.

10999616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8761600 + 2238016 = 2960^2 + 1496^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85871 + ... + 85998.

Almost surely, 2^10999616 is an apocalyptic number.

10999616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10999616 is a deficient number, since it is larger than the sum of its proper divisors (10827874).

10999616 is an equidigital number, since it uses as much as digits as its factorization.

10999616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171881 (or 171871 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 10999616 is about 3316.5668996720. The cubic root of 10999616 is about 222.3954211227.

The spelling of 10999616 in words is "ten million, nine hundred ninety-nine thousand, six hundred sixteen".