89664157133 has 2 divisors, whose sum is σ = 89664157134. Its totient is φ = 89664157132.

The previous prime is 89664157129. The next prime is 89664157169. The reversal of 89664157133 is 33175146698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64076315689 + 25587841444 = 253133^2 + 159962^2 .

It is a cyclic number.

It is not a de Polignac number, because 89664157133 - 2² = 89664157129 is a prime.

It is a super-2 number, since 2×89664157133² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89664157433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44832078566 + 44832078567.

It is an arithmetic number, because the mean of its divisors is an integer number (44832078567).

Almost surely, 2^89664157133 is an apocalyptic number.

It is an amenable number.

89664157133 is a deficient number, since it is larger than the sum of its proper divisors (1).

89664157133 is an equidigital number, since it uses as much as digits as its factorization.

89664157133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 53.

The spelling of 89664157133 in words is "eighty-nine billion, six hundred sixty-four million, one hundred fifty-seven thousand, one hundred thirty-three".