66079476375 has 96 divisors (see below), whose sum is σ = 122914471680. Its totient is φ = 31494232000.

The previous prime is 66079476371. The next prime is 66079476377. The reversal of 66079476375 is 57367497066.

It is a happy number.

It is not a de Polignac number, because 66079476375 - 2² = 66079476371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66079476371) 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 95 ways as a sum of consecutive naturals, for example, 2664784 + ... + 2689466.

It is an arithmetic number, because the mean of its divisors is an integer number (1280359080).

Almost surely, 2^66079476375 is an apocalyptic number.

66079476375 is a deficient number, since it is larger than the sum of its proper divisors (56834995305).

66079476375 is a wasteful number, since it uses less digits than its factorization.

66079476375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24782 (or 24761 counting only the distinct ones).

The product of its (nonzero) digits is 40007520, while the sum is 60.

The spelling of 66079476375 in words is "sixty-six billion, seventy-nine million, four hundred seventy-six thousand, three hundred seventy-five".