16101665101 has 2 divisors, whose sum is σ = 16101665102. Its totient is φ = 16101665100.

The previous prime is 16101665089. The next prime is 16101665123. The reversal of 16101665101 is 10156610161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11847234025 + 4254431076 = 108845^2 + 65226^2 .

It is an emirp because it is prime and its reverse (10156610161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16101665101 - 2³³ = 7511730509 is a prime.

It is a super-2 number, since 2×16101665101² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16101665101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16101665201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8050832550 + 8050832551.

It is an arithmetic number, because the mean of its divisors is an integer number (8050832551).

Almost surely, 2^16101665101 is an apocalyptic number.

It is an amenable number.

16101665101 is a deficient number, since it is larger than the sum of its proper divisors (1).

16101665101 is an equidigital number, since it uses as much as digits as its factorization.

16101665101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 16101665101 in words is "sixteen billion, one hundred one million, six hundred sixty-five thousand, one hundred one".