166254006020107 has 2 divisors, whose sum is σ = 166254006020108. Its totient is φ = 166254006020106.

The previous prime is 166254006020083. The next prime is 166254006020131. The reversal of 166254006020107 is 701020600452661.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (166254006020083) and next prime (166254006020131).

It is a cyclic number.

It is not a de Polignac number, because 166254006020107 - 2³¹ = 166251858536459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166254006020107.

It is not a weakly prime, because it can be changed into another prime (166254006020407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83127003010053 + 83127003010054.

It is an arithmetic number, because the mean of its divisors is an integer number (83127003010054).

Almost surely, 2^{166254006020107} is an apocalyptic number.

166254006020107 is a deficient number, since it is larger than the sum of its proper divisors (1).

166254006020107 is an equidigital number, since it uses as much as digits as its factorization.

166254006020107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

Adding to 166254006020107 its reverse (701020600452661), we get a palindrome (867274606472768).

The spelling of 166254006020107 in words is "one hundred sixty-six trillion, two hundred fifty-four billion, six million, twenty thousand, one hundred seven".