82666031051684 has 12 divisors (see below), whose sum is σ = 144738141185484. Its totient is φ = 41312276427264.

The previous prime is 82666031051663. The next prime is 82666031051689. The reversal of 82666031051684 is 48615013066628.

It can be written as a sum of positive squares in 2 ways, for example, as 22591750474084 + 60074280577600 = 4753078^2 + 7750760^2 .

It is not an unprimeable number, because it can be changed into a prime (82666031051689) 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, 5184765677 + ... + 5184781620.

It is an arithmetic number, because the mean of its divisors is an integer number (12061511765457).

Almost surely, 2^{82666031051684} is an apocalyptic number.

It is an amenable number.

82666031051684 is a deficient number, since it is larger than the sum of its proper divisors (62072110133800).

82666031051684 is a wasteful number, since it uses less digits than its factorization.

82666031051684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10369549294 (or 10369549292 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 82666031051684 in words is "eighty-two trillion, six hundred sixty-six billion, thirty-one million, fifty-one thousand, six hundred eighty-four".