66073422471 has 16 divisors (see below), whose sum is σ = 100769919744. Its totient is φ = 37723762944.

The previous prime is 66073422439. The next prime is 66073422511. The reversal of 66073422471 is 17422437066.

It is not a de Polignac number, because 66073422471 - 2⁵ = 66073422439 is a prime.

It is a super-3 number, since 3×66073422471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66073422071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1328266 + ... + 1377111.

It is an arithmetic number, because the mean of its divisors is an integer number (6298119984).

Almost surely, 2^66073422471 is an apocalyptic number.

66073422471 is a deficient number, since it is larger than the sum of its proper divisors (34696497273).

66073422471 is a wasteful number, since it uses less digits than its factorization.

66073422471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706550.

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 66073422471 in words is "sixty-six billion, seventy-three million, four hundred twenty-two thousand, four hundred seventy-one".