2686668450192 has 80 divisors (see below), whose sum is σ = 7920158791680. Its totient is φ = 871351924608.

The previous prime is 2686668450161. The next prime is 2686668450199. The reversal of 2686668450192 is 2910548666862.

It is a super-2 number, since 2×2686668450192² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2686668450199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84026448 + ... + 84058415.

It is an arithmetic number, because the mean of its divisors is an integer number (99001984896).

Almost surely, 2^{2686668450192} is an apocalyptic number.

It is an amenable number.

2686668450192 is an abundant number, since it is smaller than the sum of its proper divisors (5233490341488).

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

2686668450192 is a wasteful number, since it uses less digits than its factorization.

2686668450192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168084917 (or 168084905 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 2686668450192 in words is "two trillion, six hundred eighty-six billion, six hundred sixty-eight million, four hundred fifty thousand, one hundred ninety-two".