16966149269 has 2 divisors, whose sum is σ = 16966149270. Its totient is φ = 16966149268.

The previous prime is 16966149259. The next prime is 16966149283. The reversal of 16966149269 is 96294166961.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10704592369 + 6261556900 = 103463^2 + 79130^2 .

It is a cyclic number.

It is not a de Polignac number, because 16966149269 - 2¹⁶ = 16966083733 is a prime.

It is a super-2 number, since 2×16966149269² (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 (16966149229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8483074634 + 8483074635.

It is an arithmetic number, because the mean of its divisors is an integer number (8483074635).

Almost surely, 2^16966149269 is an apocalyptic number.

It is an amenable number.

16966149269 is a deficient number, since it is larger than the sum of its proper divisors (1).

16966149269 is an equidigital number, since it uses as much as digits as its factorization.

16966149269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7558272, while the sum is 59.

The spelling of 16966149269 in words is "sixteen billion, nine hundred sixty-six million, one hundred forty-nine thousand, two hundred sixty-nine".