16385964878 has 8 divisors (see below), whose sum is σ = 24610180872. Its totient is φ = 8182571256.

The previous prime is 16385964863. The next prime is 16385964899. The reversal of 16385964878 is 87846958361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5203625 + ... + 5206772.

It is an arithmetic number, because the mean of its divisors is an integer number (3076272609).

Almost surely, 2^16385964878 is an apocalyptic number.

16385964878 is a deficient number, since it is larger than the sum of its proper divisors (8224215994).

16385964878 is a wasteful number, since it uses less digits than its factorization.

16385964878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10411186.

The product of its digits is 69672960, while the sum is 65.

The spelling of 16385964878 in words is "sixteen billion, three hundred eighty-five million, nine hundred sixty-four thousand, eight hundred seventy-eight".