16485583868 has 96 divisors (see below), whose sum is σ = 33929613312. Its totient is φ = 6945523200.

The previous prime is 16485583817. The next prime is 16485583879. The reversal of 16485583868 is 86838558461.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 16485583868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2703503 + ... + 2709593.

It is an arithmetic number, because the mean of its divisors is an integer number (353433472).

Almost surely, 2^16485583868 is an apocalyptic number.

It is an amenable number.

16485583868 is an abundant number, since it is smaller than the sum of its proper divisors (17444029444).

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

16485583868 is a wasteful number, since it uses less digits than its factorization.

16485583868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6235 (or 6233 counting only the distinct ones).

The product of its digits is 44236800, while the sum is 62.

The spelling of 16485583868 in words is "sixteen billion, four hundred eighty-five million, five hundred eighty-three thousand, eight hundred sixty-eight".