16768772866 has 8 divisors (see below), whose sum is σ = 25738116624. Its totient is φ = 8189400660.

The previous prime is 16768772837. The next prime is 16768772887. The reversal of 16768772866 is 66827786761.

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

It is a junction number, because it is equal to n+sod(n) for n = 16768772798 and 16768772807.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97492780 + ... + 97492951.

It is an arithmetic number, because the mean of its divisors is an integer number (3217264578).

Almost surely, 2^16768772866 is an apocalyptic number.

16768772866 is a deficient number, since it is larger than the sum of its proper divisors (8969343758).

16768772866 is a wasteful number, since it uses less digits than its factorization.

16768772866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194985776.

The product of its digits is 56899584, while the sum is 64.

The spelling of 16768772866 in words is "sixteen billion, seven hundred sixty-eight million, seven hundred seventy-two thousand, eight hundred sixty-six".