8012656091 has 4 divisors (see below), whose sum is σ = 8741079384. Its totient is φ = 7284232800.

The previous prime is 8012656061. The next prime is 8012656109. The reversal of 8012656091 is 1906562108.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8012656091 - 2¹⁴ = 8012639707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8012656051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364211630 + ... + 364211651.

It is an arithmetic number, because the mean of its divisors is an integer number (2185269846).

Almost surely, 2^8012656091 is an apocalyptic number.

8012656091 is a deficient number, since it is larger than the sum of its proper divisors (728423293).

8012656091 is a wasteful number, since it uses less digits than its factorization.

8012656091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728423292.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 8012656091 is about 89513.4408399096. The cubic root of 8012656091 is about 2001.0541185694.

The spelling of 8012656091 in words is "eight billion, twelve million, six hundred fifty-six thousand, ninety-one".