23166054559 has 2 divisors, whose sum is σ = 23166054560. Its totient is φ = 23166054558.

The previous prime is 23166054539. The next prime is 23166054617. The reversal of 23166054559 is 95545066132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23166054559 - 2¹³ = 23166046367 is a prime.

It is a super-3 number, since 3×23166054559³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23166054529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11583027279 + 11583027280.

It is an arithmetic number, because the mean of its divisors is an integer number (11583027280).

Almost surely, 2^23166054559 is an apocalyptic number.

23166054559 is a deficient number, since it is larger than the sum of its proper divisors (1).

23166054559 is an equidigital number, since it uses as much as digits as its factorization.

23166054559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 23166054559 in words is "twenty-three billion, one hundred sixty-six million, fifty-four thousand, five hundred fifty-nine".