66018754522 has 8 divisors (see below), whose sum is σ = 113175007776. Its totient is φ = 28293751932.

The previous prime is 66018754517. The next prime is 66018754537. The reversal of 66018754522 is 22545781066.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357812648 + ... + 2357812675.

It is an arithmetic number, because the mean of its divisors is an integer number (14146875972).

Almost surely, 2^66018754522 is an apocalyptic number.

66018754522 is a deficient number, since it is larger than the sum of its proper divisors (47156253254).

66018754522 is a wasteful number, since it uses less digits than its factorization.

66018754522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715625332.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 66018754522 in words is "sixty-six billion, eighteen million, seven hundred fifty-four thousand, five hundred twenty-two".