16196818 has 48 divisors (see below), whose sum is σ = 29417472. Its totient is φ = 6652800.

The previous prime is 16196813. The next prime is 16196837. The reversal of 16196818 is 81869161.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16196813) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 127471 + ... + 127597.

It is an arithmetic number, because the mean of its divisors is an integer number (612864).

Almost surely, 2^16196818 is an apocalyptic number.

16196818 is a deficient number, since it is larger than the sum of its proper divisors (13220654).

16196818 is a wasteful number, since it uses less digits than its factorization.

16196818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 188 counting only the distinct ones).

The product of its digits is 20736, while the sum is 40.

The square root of 16196818 is about 4024.5270529591. The cubic root of 16196818 is about 253.0132318221.

The spelling of 16196818 in words is "sixteen million, one hundred ninety-six thousand, eight hundred eighteen".