166000631001383 has 2 divisors, whose sum is σ = 166000631001384. Its totient is φ = 166000631001382.

The previous prime is 166000631001379. The next prime is 166000631001421. The reversal of 166000631001383 is 383100136000661.

It is an a-pointer prime, because the next prime (166000631001421) can be obtained adding 166000631001383 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166000631001383 - 2² = 166000631001379 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166000631001323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83000315500691 + 83000315500692.

It is an arithmetic number, because the mean of its divisors is an integer number (83000315500692).

Almost surely, 2^{166000631001383} is an apocalyptic number.

166000631001383 is a deficient number, since it is larger than the sum of its proper divisors (1).

166000631001383 is an equidigital number, since it uses as much as digits as its factorization.

166000631001383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 166000631001383 in words is "one hundred sixty-six trillion, six hundred thirty-one million, one thousand, three hundred eighty-three".