16187363818 has 16 divisors (see below), whose sum is σ = 24544391904. Its totient is φ = 8006124880.

The previous prime is 16187363809. The next prime is 16187363839. The reversal of 16187363818 is 81836378161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89013 + ... + 200743.

It is an arithmetic number, because the mean of its divisors is an integer number (1534024494).

Almost surely, 2^16187363818 is an apocalyptic number.

16187363818 is a deficient number, since it is larger than the sum of its proper divisors (8357028086).

16187363818 is a wasteful number, since it uses less digits than its factorization.

16187363818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112517.

The product of its digits is 1161216, while the sum is 52.

The spelling of 16187363818 in words is "sixteen billion, one hundred eighty-seven million, three hundred sixty-three thousand, eight hundred eighteen".