16306813878 has 16 divisors (see below), whose sum is σ = 34330134720. Its totient is φ = 5149520136.

The previous prime is 16306813841. The next prime is 16306813909. The reversal of 16306813878 is 87831860361.

It is a self number, because there is not a number n which added to its sum of digits gives 16306813878.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71521000 + ... + 71521227.

It is an arithmetic number, because the mean of its divisors is an integer number (2145633420).

Almost surely, 2^16306813878 is an apocalyptic number.

16306813878 is an abundant number, since it is smaller than the sum of its proper divisors (18023320842).

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

16306813878 is a wasteful number, since it uses less digits than its factorization.

16306813878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143042251.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 16306813878 in words is "sixteen billion, three hundred six million, eight hundred thirteen thousand, eight hundred seventy-eight".