166700482748413 has 2 divisors, whose sum is σ = 166700482748414. Its totient is φ = 166700482748412.

The previous prime is 166700482748411. The next prime is 166700482748507. The reversal of 166700482748413 is 314847284007661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121592898524889 + 45107584223524 = 11026917^2 + 6716218^2 .

It is a cyclic number.

It is not a de Polignac number, because 166700482748413 - 2¹ = 166700482748411 is a prime.

Together with 166700482748411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166700482748411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83350241374206 + 83350241374207.

It is an arithmetic number, because the mean of its divisors is an integer number (83350241374207).

Almost surely, 2^{166700482748413} is an apocalyptic number.

It is an amenable number.

166700482748413 is a deficient number, since it is larger than the sum of its proper divisors (1).

166700482748413 is an equidigital number, since it uses as much as digits as its factorization.

166700482748413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43352064, while the sum is 61.

The spelling of 166700482748413 in words is "one hundred sixty-six trillion, seven hundred billion, four hundred eighty-two million, seven hundred forty-eight thousand, four hundred thirteen".