166031453253067 has 2 divisors, whose sum is σ = 166031453253068. Its totient is φ = 166031453253066.

The previous prime is 166031453253023. The next prime is 166031453253073. The reversal of 166031453253067 is 760352354130661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166031453253067 is a prime.

It is not a weakly prime, because it can be changed into another prime (166031453253167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83015726626533 + 83015726626534.

It is an arithmetic number, because the mean of its divisors is an integer number (83015726626534).

Almost surely, 2^{166031453253067} is an apocalyptic number.

166031453253067 is a deficient number, since it is larger than the sum of its proper divisors (1).

166031453253067 is an equidigital number, since it uses as much as digits as its factorization.

166031453253067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8164800, while the sum is 52.

The spelling of 166031453253067 in words is "one hundred sixty-six trillion, thirty-one billion, four hundred fifty-three million, two hundred fifty-three thousand, sixty-seven".