16776398194 has 16 divisors (see below), whose sum is σ = 26491870080. Its totient is φ = 7945868880.

The previous prime is 16776398159. The next prime is 16776398207. The reversal of 16776398194 is 49189367761.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475959 + ... + 509989.

It is an arithmetic number, because the mean of its divisors is an integer number (1655741880).

Almost surely, 2^16776398194 is an apocalyptic number.

16776398194 is a deficient number, since it is larger than the sum of its proper divisors (9715471886).

16776398194 is a wasteful number, since it uses less digits than its factorization.

16776398194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47025.

The product of its digits is 13716864, while the sum is 61.

The spelling of 16776398194 in words is "sixteen billion, seven hundred seventy-six million, three hundred ninety-eight thousand, one hundred ninety-four".