16626259745101 has 2 divisors, whose sum is σ = 16626259745102. Its totient is φ = 16626259745100.

The previous prime is 16626259744987. The next prime is 16626259745113. The reversal of 16626259745101 is 10154795262661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12275906682601 + 4350353062500 = 3503699^2 + 2085750^2 .

It is a cyclic number.

It is not a de Polignac number, because 16626259745101 - 2¹⁵ = 16626259712333 is a prime.

It is a super-2 number, since 2×16626259745101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16626259745191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8313129872550 + 8313129872551.

It is an arithmetic number, because the mean of its divisors is an integer number (8313129872551).

Almost surely, 2^{16626259745101} is an apocalyptic number.

It is an amenable number.

16626259745101 is a deficient number, since it is larger than the sum of its proper divisors (1).

16626259745101 is an equidigital number, since it uses as much as digits as its factorization.

16626259745101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 16626259745101 in words is "sixteen trillion, six hundred twenty-six billion, two hundred fifty-nine million, seven hundred forty-five thousand, one hundred one".