16839490878026 has 16 divisors (see below), whose sum is σ = 25816836464640. Its totient is φ = 8234158856400.

The previous prime is 16839490878013. The next prime is 16839490878029. The reversal of 16839490878026 is 62087809493861.

It is a super-2 number, since 2×16839490878026² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16839490878029) 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, 69912425 + ... + 70152876.

It is an arithmetic number, because the mean of its divisors is an integer number (1613552279040).

Almost surely, 2^{16839490878026} is an apocalyptic number.

16839490878026 is a deficient number, since it is larger than the sum of its proper divisors (8977345586614).

16839490878026 is a wasteful number, since it uses less digits than its factorization.

16839490878026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140066629.

The product of its (nonzero) digits is 250822656, while the sum is 71.

The spelling of 16839490878026 in words is "sixteen trillion, eight hundred thirty-nine billion, four hundred ninety million, eight hundred seventy-eight thousand, twenty-six".