101866860868 has 6 divisors (see below), whose sum is σ = 178267006526. Its totient is φ = 50933430432.

The previous prime is 101866860727. The next prime is 101866860871. The reversal of 101866860868 is 868068668101.

101866860868 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 72249139264 + 29617721604 = 268792^2 + 172098^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12733357605 + ... + 12733357612.

Almost surely, 2^101866860868 is an apocalyptic number.

It is an amenable number.

101866860868 is a deficient number, since it is larger than the sum of its proper divisors (76400145658).

101866860868 is a wasteful number, since it uses less digits than its factorization.

101866860868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25466715221 (or 25466715219 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 58.

The spelling of 101866860868 in words is "one hundred one billion, eight hundred sixty-six million, eight hundred sixty thousand, eight hundred sixty-eight".