39868098666 has 16 divisors (see below), whose sum is σ = 86984942688. Its totient is φ = 12081242000.

The previous prime is 39868098643. The next prime is 39868098679. The reversal of 39868098666 is 66689086893.

It is a self number, because there is not a number n which added to its sum of digits gives 39868098666.

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, 302030985 + ... + 302031116.

It is an arithmetic number, because the mean of its divisors is an integer number (5436558918).

Almost surely, 2^39868098666 is an apocalyptic number.

39868098666 is an abundant number, since it is smaller than the sum of its proper divisors (47116844022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39868098666 is a wasteful number, since it uses less digits than its factorization.

39868098666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604062117.

The product of its (nonzero) digits is 161243136, while the sum is 69.

The spelling of 39868098666 in words is "thirty-nine billion, eight hundred sixty-eight million, ninety-eight thousand, six hundred sixty-six".