16996111 has 4 divisors (see below), whose sum is σ = 18541224. Its totient is φ = 15451000.

The previous prime is 16996097. The next prime is 16996121. The reversal of 16996111 is 11169961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11169961 = 11 ⋅1015451.

It is a cyclic number.

It is not a de Polignac number, because 16996111 - 2¹⁹ = 16471823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16996121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772540 + ... + 772561.

It is an arithmetic number, because the mean of its divisors is an integer number (4635306).

Almost surely, 2^16996111 is an apocalyptic number.

16996111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16996111 is a deficient number, since it is larger than the sum of its proper divisors (1545113).

16996111 is a wasteful number, since it uses less digits than its factorization.

16996111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545112.

The product of its digits is 2916, while the sum is 34.

The square root of 16996111 is about 4122.6339881197. The cubic root of 16996111 is about 257.1085502879.

The spelling of 16996111 in words is "sixteen million, nine hundred ninety-six thousand, one hundred eleven".