81068083 has 8 divisors (see below), whose sum is σ = 81699840. Its totient is φ = 80439240.

The previous prime is 81068063. The next prime is 81068089. The reversal of 81068083 is 38086018.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 81068083 - 2¹⁷ = 80937011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (81068089) 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, 102616 + ... + 103402.

It is an arithmetic number, because the mean of its divisors is an integer number (10212480).

Almost surely, 2^81068083 is an apocalyptic number.

81068083 is a deficient number, since it is larger than the sum of its proper divisors (631757).

81068083 is a wasteful number, since it uses less digits than its factorization.

81068083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 81068083 is about 9003.7815944191. The cubic root of 81068083 is about 432.7960626712.

The spelling of 81068083 in words is "eighty-one million, sixty-eight thousand, eighty-three".