82661318 has 8 divisors (see below), whose sum is σ = 124095000. Its totient is φ = 41296320.

The previous prime is 82661309. The next prime is 82661353. The reversal of 82661318 is 81316628.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14048 + ... + 19043.

It is an arithmetic number, because the mean of its divisors is an integer number (15511875).

Almost surely, 2^82661318 is an apocalyptic number.

82661318 is a deficient number, since it is larger than the sum of its proper divisors (41433682).

82661318 is a wasteful number, since it uses less digits than its factorization.

82661318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34342.

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

The square root of 82661318 is about 9091.8269891150. The cubic root of 82661318 is about 435.6129431139.

The spelling of 82661318 in words is "eighty-two million, six hundred sixty-one thousand, three hundred eighteen".