16106066591 has 2 divisors, whose sum is σ = 16106066592. Its totient is φ = 16106066590.

The previous prime is 16106066579. The next prime is 16106066621. The reversal of 16106066591 is 19566060161.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16106066591 is a prime.

It is a super-2 number, since 2×16106066591² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16106066191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8053033295 + 8053033296.

It is an arithmetic number, because the mean of its divisors is an integer number (8053033296).

Almost surely, 2^16106066591 is an apocalyptic number.

16106066591 is a deficient number, since it is larger than the sum of its proper divisors (1).

16106066591 is an equidigital number, since it uses as much as digits as its factorization.

16106066591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 16106066591 in words is "sixteen billion, one hundred six million, sixty-six thousand, five hundred ninety-one".