16489038166 has 12 divisors (see below), whose sum is σ = 26103838572. Its totient is φ = 7810596684.

The previous prime is 16489038143. The next prime is 16489038173. The reversal of 16489038166 is 66183098461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11418280 + ... + 11419723.

It is an arithmetic number, because the mean of its divisors is an integer number (2175319881).

Almost surely, 2^16489038166 is an apocalyptic number.

16489038166 is a deficient number, since it is larger than the sum of its proper divisors (9614800406).

16489038166 is a wasteful number, since it uses less digits than its factorization.

16489038166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22838043 (or 22838024 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 16489038166 in words is "sixteen billion, four hundred eighty-nine million, thirty-eight thousand, one hundred sixty-six".