16031116 has 12 divisors (see below), whose sum is σ = 28082488. Its totient is φ = 8007552.

The previous prime is 16031107. The next prime is 16031137. The reversal of 16031116 is 61113061.

It is a junction number, because it is equal to n+sod(n) for n = 16031093 and 16031102.

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 3 ways as a sum of consecutive naturals, for example, 6940 + ... + 8956.

Almost surely, 2^16031116 is an apocalyptic number.

It is an amenable number.

16031116 is a deficient number, since it is larger than the sum of its proper divisors (12051372).

16031116 is a wasteful number, since it uses less digits than its factorization.

16031116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008 (or 4006 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 16031116 is about 4003.8876108103. The cubic root of 16031116 is about 252.1474529665.

Adding to 16031116 its reverse (61113061), we get a palindrome (77144177).

The spelling of 16031116 in words is "sixteen million, thirty-one thousand, one hundred sixteen".