66134826297 has 12 divisors (see below), whose sum is σ = 99066159920. Its totient is φ = 44089884036.

The previous prime is 66134826287. The next prime is 66134826299. The reversal of 66134826297 is 79262843166.

66134826297 is a `hidden beast` number, since 6 + 6 + 1 + 3 + 4 + 8 + 2 + 629 + 7 = 666.

It is not a de Polignac number, because 66134826297 - 2⁷ = 66134826169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66134826299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136079647 + ... + 136080132.

Almost surely, 2^66134826297 is an apocalyptic number.

It is an amenable number.

66134826297 is a deficient number, since it is larger than the sum of its proper divisors (32931333623).

66134826297 is an equidigital number, since it uses as much as digits as its factorization.

66134826297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272159794 (or 272159782 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The spelling of 66134826297 in words is "sixty-six billion, one hundred thirty-four million, eight hundred twenty-six thousand, two hundred ninety-seven".