6660272376544 has 48 divisors (see below), whose sum is σ = 13884063717888. Its totient is φ = 3134170386432.

The previous prime is 6660272376539. The next prime is 6660272376587. The reversal of 6660272376544 is 4456732720666.

It is a super-3 number, since 3×6660272376544³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27103252 + ... + 27347884.

It is an arithmetic number, because the mean of its divisors is an integer number (289251327456).

Almost surely, 2^{6660272376544} is an apocalyptic number.

It is an amenable number.

6660272376544 is an abundant number, since it is smaller than the sum of its proper divisors (7223791341344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6660272376544 is a wasteful number, since it uses less digits than its factorization.

6660272376544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294707 (or 294699 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 58.

The spelling of 6660272376544 in words is "six trillion, six hundred sixty billion, two hundred seventy-two million, three hundred seventy-six thousand, five hundred forty-four".