66721482062 has 8 divisors (see below), whose sum is σ = 100103162016. Its totient is φ = 33353761392.

The previous prime is 66721482053. The next prime is 66721482103. The reversal of 66721482062 is 26028412766.

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

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, 3477863 + ... + 3496994.

It is an arithmetic number, because the mean of its divisors is an integer number (12512895252).

Almost surely, 2^66721482062 is an apocalyptic number.

66721482062 is a deficient number, since it is larger than the sum of its proper divisors (33381679954).

66721482062 is a wasteful number, since it uses less digits than its factorization.

66721482062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6979642.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 66721482062 in words is "sixty-six billion, seven hundred twenty-one million, four hundred eighty-two thousand, sixty-two".