16239797798 has 16 divisors (see below), whose sum is σ = 28592077344. Its totient is φ = 6771807360.

The previous prime is 16239797771. The next prime is 16239797801. The reversal of 16239797798 is 89779793261.

It is a congruent number.

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, 15674963 + ... + 15675998.

It is an arithmetic number, because the mean of its divisors is an integer number (1787004834).

Almost surely, 2^16239797798 is an apocalyptic number.

16239797798 is a deficient number, since it is larger than the sum of its proper divisors (12352279546).

16239797798 is a wasteful number, since it uses less digits than its factorization.

16239797798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31351007.

The product of its digits is 72013536, while the sum is 68.

The spelling of 16239797798 in words is "sixteen billion, two hundred thirty-nine million, seven hundred ninety-seven thousand, seven hundred ninety-eight".