66376528076 has 24 divisors (see below), whose sum is σ = 116418161664. Its totient is φ = 33114266640.

The previous prime is 66376528051. The next prime is 66376528109. The reversal of 66376528076 is 67082567366.

It is a super-3 number, since 3×66376528076³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

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, 4341221 + ... + 4356483.

It is an arithmetic number, because the mean of its divisors is an integer number (4850756736).

Almost surely, 2^66376528076 is an apocalyptic number.

It is an amenable number.

66376528076 is a deficient number, since it is larger than the sum of its proper divisors (50041633588).

66376528076 is a wasteful number, since it uses less digits than its factorization.

66376528076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17621 (or 17619 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 66376528076 in words is "sixty-six billion, three hundred seventy-six million, five hundred twenty-eight thousand, seventy-six".