16836878049 has 8 divisors (see below), whose sum is σ = 22504060320. Its totient is φ = 11197140576.

The previous prime is 16836878021. The next prime is 16836878129. The reversal of 16836878049 is 94087863861.

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

It is not a de Polignac number, because 16836878049 - 2⁸ = 16836877793 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16836877983 and 16836878001.

It is not an unprimeable number, because it can be changed into a prime (16836878249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6859767 + ... + 6862220.

It is an arithmetic number, because the mean of its divisors is an integer number (2813007540).

Almost surely, 2^16836878049 is an apocalyptic number.

It is an amenable number.

16836878049 is a deficient number, since it is larger than the sum of its proper divisors (5667182271).

16836878049 is a wasteful number, since it uses less digits than its factorization.

16836878049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13722399.

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 16836878049 in words is "sixteen billion, eight hundred thirty-six million, eight hundred seventy-eight thousand, forty-nine".