19968186862 has 16 divisors (see below), whose sum is σ = 33128095392. Its totient is φ = 8967002400.

The previous prime is 19968186853. The next prime is 19968186863. The reversal of 19968186862 is 26868186991.

It is a junction number, because it is equal to n+sod(n) for n = 19968186794 and 19968186803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19968186863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10377514 + ... + 10379437.

It is an arithmetic number, because the mean of its divisors is an integer number (2070505962).

Almost surely, 2^19968186862 is an apocalyptic number.

19968186862 is a deficient number, since it is larger than the sum of its proper divisors (13159908530).

19968186862 is a wasteful number, since it uses less digits than its factorization.

19968186862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20757003.

The product of its digits is 17915904, while the sum is 64.

The spelling of 19968186862 in words is "nineteen billion, nine hundred sixty-eight million, one hundred eighty-six thousand, eight hundred sixty-two".