82501608568 has 16 divisors (see below), whose sum is σ = 154717688160. Its totient is φ = 41243558400.

The previous prime is 82501608521. The next prime is 82501608569. The reversal of 82501608568 is 86580610528.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82501608569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857193 + ... + 948568.

It is an arithmetic number, because the mean of its divisors is an integer number (9669855510).

Almost surely, 2^82501608568 is an apocalyptic number.

It is an amenable number.

82501608568 is a deficient number, since it is larger than the sum of its proper divisors (72216079592).

82501608568 is a wasteful number, since it uses less digits than its factorization.

82501608568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811478 (or 1811474 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 49.

The spelling of 82501608568 in words is "eighty-two billion, five hundred one million, six hundred eight thousand, five hundred sixty-eight".