66318877024 has 24 divisors (see below), whose sum is σ = 132218019360. Its totient is φ = 32739697536.

The previous prime is 66318877019. The next prime is 66318877043. The reversal of 66318877024 is 42077881366.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13114339 + ... + 13119394.

It is an arithmetic number, because the mean of its divisors is an integer number (5509084140).

Almost surely, 2^66318877024 is an apocalyptic number.

It is an amenable number.

66318877024 is a deficient number, since it is larger than the sum of its proper divisors (65899142336).

66318877024 is a wasteful number, since it uses less digits than its factorization.

66318877024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26233822 (or 26233814 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 66318877024 in words is "sixty-six billion, three hundred eighteen million, eight hundred seventy-seven thousand, twenty-four".