66226671507 has 8 divisors (see below), whose sum is σ = 89083664784. Its totient is φ = 43760396288.

The previous prime is 66226671449. The next prime is 66226671509. The reversal of 66226671507 is 70517662266.

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

It is a cyclic number.

It is not a de Polignac number, because 66226671507 - 2¹⁴ = 66226655123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66226671509) 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, 97679118 + ... + 97679795.

It is an arithmetic number, because the mean of its divisors is an integer number (11135458098).

Almost surely, 2^66226671507 is an apocalyptic number.

66226671507 is a deficient number, since it is larger than the sum of its proper divisors (22856993277).

66226671507 is a wasteful number, since it uses less digits than its factorization.

66226671507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195359029.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 66226671507 in words is "sixty-six billion, two hundred twenty-six million, six hundred seventy-one thousand, five hundred seven".