66349832349 has 16 divisors (see below), whose sum is σ = 89690529024. Its totient is φ = 43621344000.

The previous prime is 66349832327. The next prime is 66349832377. The reversal of 66349832349 is 94323894366.

66349832349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66349832349 - 2⁵ = 66349832317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66349832249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2075809 + ... + 2107529.

It is an arithmetic number, because the mean of its divisors is an integer number (5605658064).

Almost surely, 2^66349832349 is an apocalyptic number.

It is an amenable number.

66349832349 is a deficient number, since it is larger than the sum of its proper divisors (23340696675).

66349832349 is a wasteful number, since it uses less digits than its factorization.

66349832349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41348.

The product of its digits is 20155392, while the sum is 57.

The spelling of 66349832349 in words is "sixty-six billion, three hundred forty-nine million, eight hundred thirty-two thousand, three hundred forty-nine".