16188730806 has 16 divisors (see below), whose sum is σ = 32380691904. Its totient is φ = 5395705224.

The previous prime is 16188730787. The next prime is 16188730819. The reversal of 16188730806 is 60803788161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66820 + ... + 191943.

It is an arithmetic number, because the mean of its divisors is an integer number (2023793244).

Almost surely, 2^16188730806 is an apocalyptic number.

16188730806 is an abundant number, since it is smaller than the sum of its proper divisors (16191961098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16188730806 is a wasteful number, since it uses less digits than its factorization.

16188730806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269195.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 16188730806 in words is "sixteen billion, one hundred eighty-eight million, seven hundred thirty thousand, eight hundred six".