83518535656 has 16 divisors (see below), whose sum is σ = 156667104000. Its totient is φ = 41740641264.

The previous prime is 83518535621. The next prime is 83518535699. The reversal of 83518535656 is 65653581538.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 83518535597 and 83518535606.

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, 2309256 + ... + 2345143.

It is an arithmetic number, because the mean of its divisors is an integer number (9791694000).

Almost surely, 2^83518535656 is an apocalyptic number.

It is an amenable number.

83518535656 is a deficient number, since it is larger than the sum of its proper divisors (73148568344).

83518535656 is a wasteful number, since it uses less digits than its factorization.

83518535656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656648 (or 4656644 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 55.

The spelling of 83518535656 in words is "eighty-three billion, five hundred eighteen million, five hundred thirty-five thousand, six hundred fifty-six".