166660624335031 has 2 divisors, whose sum is σ = 166660624335032. Its totient is φ = 166660624335030.

The previous prime is 166660624335011. The next prime is 166660624335041. The reversal of 166660624335031 is 130533426066661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166660624335031 is a prime.

It is a super-2 number, since 2×166660624335031² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 166660624335031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166660624335011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83330312167515 + 83330312167516.

It is an arithmetic number, because the mean of its divisors is an integer number (83330312167516).

Almost surely, 2^{166660624335031} is an apocalyptic number.

166660624335031 is a deficient number, since it is larger than the sum of its proper divisors (1).

166660624335031 is an equidigital number, since it uses as much as digits as its factorization.

166660624335031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8398080, while the sum is 52.

The spelling of 166660624335031 in words is "one hundred sixty-six trillion, six hundred sixty billion, six hundred twenty-four million, three hundred thirty-five thousand, thirty-one".