82618133 has 8 divisors (see below), whose sum is σ = 89107200. Its totient is φ = 76148208.

The previous prime is 82618111. The next prime is 82618177. The reversal of 82618133 is 33181628.

It is a happy number.

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 82618133 - 2¹⁰ = 82617109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82618133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82618633) 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, 4928 + ... + 13766.

It is an arithmetic number, because the mean of its divisors is an integer number (11138400).

Almost surely, 2^82618133 is an apocalyptic number.

It is an amenable number.

82618133 is a deficient number, since it is larger than the sum of its proper divisors (6489067).

82618133 is a wasteful number, since it uses less digits than its factorization.

82618133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9571.

The product of its digits is 6912, while the sum is 32.

The square root of 82618133 is about 9089.4517436422. The cubic root of 82618133 is about 435.5370703746.

The spelling of 82618133 in words is "eighty-two million, six hundred eighteen thousand, one hundred thirty-three".