82665064 has 16 divisors (see below), whose sum is σ = 155865600. Its totient is φ = 41100912.

The previous prime is 82665031. The next prime is 82665073. The reversal of 82665064 is 46056628.

It is a super-2 number, since 2×82665064² = 13667025612248192, which contains 22 as substring.

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, 27432 + ... + 30295.

It is an arithmetic number, because the mean of its divisors is an integer number (9741600).

Almost surely, 2^82665064 is an apocalyptic number.

It is an amenable number.

82665064 is a deficient number, since it is larger than the sum of its proper divisors (73200536).

82665064 is a wasteful number, since it uses less digits than its factorization.

82665064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57912 (or 57908 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 82665064 is about 9092.0329959806. The cubic root of 82665064 is about 435.6195233035.

The spelling of 82665064 in words is "eighty-two million, six hundred sixty-five thousand, sixty-four".