82066697951 has 32 divisors (see below), whose sum is σ = 96037014528. Its totient is φ = 68682885120.

The previous prime is 82066697927. The next prime is 82066697953. The reversal of 82066697951 is 15979666028.

It is not a de Polignac number, because 82066697951 - 2⁶ = 82066697887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82066697953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17559551 + ... + 17564223.

It is an arithmetic number, because the mean of its divisors is an integer number (3001156704).

Almost surely, 2^82066697951 is an apocalyptic number.

82066697951 is a deficient number, since it is larger than the sum of its proper divisors (13970316577).

82066697951 is a wasteful number, since it uses less digits than its factorization.

82066697951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111.

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 82066697951 in words is "eighty-two billion, sixty-six million, six hundred ninety-seven thousand, nine hundred fifty-one".