83666066776 has 16 divisors (see below), whose sum is σ = 161113710240. Its totient is φ = 40702410720.

The previous prime is 83666066741. The next prime is 83666066777. The reversal of 83666066776 is 67766066638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83666066777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141327520 + ... + 141328111.

It is an arithmetic number, because the mean of its divisors is an integer number (10069606890).

Almost surely, 2^83666066776 is an apocalyptic number.

It is an amenable number.

83666066776 is a deficient number, since it is larger than the sum of its proper divisors (77447643464).

83666066776 is a wasteful number, since it uses less digits than its factorization.

83666066776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282655674 (or 282655670 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 61.

The spelling of 83666066776 in words is "eighty-three billion, six hundred sixty-six million, sixty-six thousand, seven hundred seventy-six".