66126330507 has 8 divisors (see below), whose sum is σ = 88215825040. Its totient is φ = 44060528160.

The previous prime is 66126330503. The next prime is 66126330509. The reversal of 66126330507 is 70503362166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66126330507 - 2² = 66126330503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66126330503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5916532 + ... + 5927697.

It is an arithmetic number, because the mean of its divisors is an integer number (11026978130).

Almost surely, 2^66126330507 is an apocalyptic number.

66126330507 is a deficient number, since it is larger than the sum of its proper divisors (22089494533).

66126330507 is a wasteful number, since it uses less digits than its factorization.

66126330507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11846093.

The product of its (nonzero) digits is 136080, while the sum is 39.

The spelling of 66126330507 in words is "sixty-six billion, one hundred twenty-six million, three hundred thirty thousand, five hundred seven".