66055126371 has 8 divisors (see below), whose sum is σ = 94848386640. Its totient is φ = 40649308512.

The previous prime is 66055126369. The next prime is 66055126409. The reversal of 66055126371 is 17362155066.

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

It is not a de Polignac number, because 66055126371 - 2¹ = 66055126369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66055126331) 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 in 7 ways as a sum of consecutive naturals, for example, 846860556 + ... + 846860633.

It is an arithmetic number, because the mean of its divisors is an integer number (11856048330).

Almost surely, 2^66055126371 is an apocalyptic number.

66055126371 is a deficient number, since it is larger than the sum of its proper divisors (28793260269).

66055126371 is a wasteful number, since it uses less digits than its factorization.

66055126371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693721205.

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 66055126371 in words is "sixty-six billion, fifty-five million, one hundred twenty-six thousand, three hundred seventy-one".