166632082079 has 2 divisors, whose sum is σ = 166632082080. Its totient is φ = 166632082078.

The previous prime is 166632082073. The next prime is 166632082091. The reversal of 166632082079 is 970280236661.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (970280236661) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166632082079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166632082073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83316041039 + 83316041040.

It is an arithmetic number, because the mean of its divisors is an integer number (83316041040).

Almost surely, 2^166632082079 is an apocalyptic number.

166632082079 is a deficient number, since it is larger than the sum of its proper divisors (1).

166632082079 is an equidigital number, since it uses as much as digits as its factorization.

166632082079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 166632082079 in words is "one hundred sixty-six billion, six hundred thirty-two million, eighty-two thousand, seventy-nine".