66053332546 has 8 divisors (see below), whose sum is σ = 99172686780. Its totient is φ = 32995770288.

The previous prime is 66053332523. The next prime is 66053332561. The reversal of 66053332546 is 64523335066.

66053332546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 64279996225 + 1773336321 = 253535^2 + 42111^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15445321 + ... + 15449596.

Almost surely, 2^66053332546 is an apocalyptic number.

66053332546 is a deficient number, since it is larger than the sum of its proper divisors (33119354234).

66053332546 is a wasteful number, since it uses less digits than its factorization.

66053332546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30895988.

The product of its (nonzero) digits is 1166400, while the sum is 43.

The spelling of 66053332546 in words is "sixty-six billion, fifty-three million, three hundred thirty-two thousand, five hundred forty-six".