82118536 has 16 divisors (see below), whose sum is σ = 154955340. Its totient is φ = 40797120.

The previous prime is 82118527. The next prime is 82118537. The reversal of 82118536 is 63581128.

It can be written as a sum of positive squares in 2 ways, for example, as 67141636 + 14976900 = 8194^2 + 3870^2 .

It is not an unprimeable number, because it can be changed into a prime (82118537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31435 + ... + 33946.

Almost surely, 2^82118536 is an apocalyptic number.

It is an amenable number.

82118536 is a deficient number, since it is larger than the sum of its proper divisors (72836804).

82118536 is a wasteful number, since it uses less digits than its factorization.

82118536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65544 (or 65540 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 82118536 is about 9061.9278302136. The cubic root of 82118536 is about 434.6573882162.

The spelling of 82118536 in words is "eighty-two million, one hundred eighteen thousand, five hundred thirty-six".