17606132881 has 2 divisors, whose sum is σ = 17606132882. Its totient is φ = 17606132880.

The previous prime is 17606132879. The next prime is 17606132917. The reversal of 17606132881 is 18823160671.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16122650625 + 1483482256 = 126975^2 + 38516^2 .

It is a cyclic number.

It is not a de Polignac number, because 17606132881 - 2¹ = 17606132879 is a prime.

It is a super-2 number, since 2×17606132881² (a number of 21 digits) contains 22 as substring.

Together with 17606132879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (17606132801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8803066440 + 8803066441.

It is an arithmetic number, because the mean of its divisors is an integer number (8803066441).

Almost surely, 2^17606132881 is an apocalyptic number.

It is an amenable number.

17606132881 is a deficient number, since it is larger than the sum of its proper divisors (1).

17606132881 is an equidigital number, since it uses as much as digits as its factorization.

17606132881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 17606132881 in words is "seventeen billion, six hundred six million, one hundred thirty-two thousand, eight hundred eighty-one".