16791923078 has 32 divisors (see below), whose sum is σ = 29928622080. Its totient is φ = 6914263680.

The previous prime is 16791923069. The next prime is 16791923101. The reversal of 16791923078 is 87032919761.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78851 + ... + 199502.

It is an arithmetic number, because the mean of its divisors is an integer number (935269440).

Almost surely, 2^16791923078 is an apocalyptic number.

16791923078 is a deficient number, since it is larger than the sum of its proper divisors (13136699002).

16791923078 is a wasteful number, since it uses less digits than its factorization.

16791923078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278532.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 16791923078 in words is "sixteen billion, seven hundred ninety-one million, nine hundred twenty-three thousand, seventy-eight".