166463045002537 has 2 divisors, whose sum is σ = 166463045002538. Its totient is φ = 166463045002536.

The previous prime is 166463045002519. The next prime is 166463045002627. The reversal of 166463045002537 is 735200540364661.

It is a happy number.

166463045002537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125555520984336 + 40907524018201 = 11205156^2 + 6395899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166463045002537 is a prime.

It is not a weakly prime, because it can be changed into another prime (166463045006537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83231522501268 + 83231522501269.

It is an arithmetic number, because the mean of its divisors is an integer number (83231522501269).

Almost surely, 2^{166463045002537} is an apocalyptic number.

It is an amenable number.

166463045002537 is a deficient number, since it is larger than the sum of its proper divisors (1).

166463045002537 is an equidigital number, since it uses as much as digits as its factorization.

166463045002537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 52.

The spelling of 166463045002537 in words is "one hundred sixty-six trillion, four hundred sixty-three billion, forty-five million, two thousand, five hundred thirty-seven".