16671342502601 has 2 divisors, whose sum is σ = 16671342502602. Its totient is φ = 16671342502600.

The previous prime is 16671342502489. The next prime is 16671342502613. The reversal of 16671342502601 is 10620524317661.

16671342502601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8841553575625 + 7829788926976 = 2973475^2 + 2798176^2 .

It is a cyclic number.

It is not a de Polignac number, because 16671342502601 - 2⁴² = 12273295991497 is a prime.

It is not a weakly prime, because it can be changed into another prime (16671342102601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8335671251300 + 8335671251301.

It is an arithmetic number, because the mean of its divisors is an integer number (8335671251301).

Almost surely, 2^{16671342502601} is an apocalyptic number.

It is an amenable number.

16671342502601 is a deficient number, since it is larger than the sum of its proper divisors (1).

16671342502601 is an equidigital number, since it uses as much as digits as its factorization.

16671342502601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 16671342502601 in words is "sixteen trillion, six hundred seventy-one billion, three hundred forty-two million, five hundred two thousand, six hundred one".