83266181 has 8 divisors (see below), whose sum is σ = 84441504. Its totient is φ = 82095120.

The previous prime is 83266147. The next prime is 83266199. The reversal of 83266181 is 18166238.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83266181 is a prime.

It is a super-2 number, since 2×83266181² = 13866513796649522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83266681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66695 + ... + 67931.

It is an arithmetic number, because the mean of its divisors is an integer number (10555188).

Almost surely, 2^83266181 is an apocalyptic number.

It is an amenable number.

83266181 is a deficient number, since it is larger than the sum of its proper divisors (1175323).

83266181 is a wasteful number, since it uses less digits than its factorization.

83266181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131.

The product of its digits is 13824, while the sum is 35.

The square root of 83266181 is about 9125.0304657026. The cubic root of 83266181 is about 436.6728749061.

The spelling of 83266181 in words is "eighty-three million, two hundred sixty-six thousand, one hundred eighty-one".