8114199668 has 6 divisors (see below), whose sum is σ = 14199849426. Its totient is φ = 4057099832.

The previous prime is 8114199649. The next prime is 8114199673. The reversal of 8114199668 is 8669914118.

It can be written as a sum of positive squares in only one way, i.e., 7295209744 + 818989924 = 85412^2 + 28618^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014274955 + ... + 1014274962.

It is an arithmetic number, because the mean of its divisors is an integer number (2366641571).

Almost surely, 2^8114199668 is an apocalyptic number.

It is an amenable number.

8114199668 is a deficient number, since it is larger than the sum of its proper divisors (6085649758).

8114199668 is a wasteful number, since it uses less digits than its factorization.

8114199668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028549921 (or 2028549919 counting only the distinct ones).

The product of its digits is 746496, while the sum is 53.

The square root of 8114199668 is about 90078.8525015722. The cubic root of 8114199668 is about 2009.4717115288.

The spelling of 8114199668 in words is "eight billion, one hundred fourteen million, one hundred ninety-nine thousand, six hundred sixty-eight".