6660546047 has 8 divisors (see below), whose sum is σ = 6678750000. Its totient is φ = 6642365184.

The previous prime is 6660546041. The next prime is 6660546071. The reversal of 6660546047 is 7406450666.

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

It is a cyclic number.

It is not a de Polignac number, because 6660546047 - 2²⁶ = 6593437183 is a prime.

It is a super-3 number, since 3×6660546047³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6660545989 and 6660546007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660546041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678329 + ... + 688077.

It is an arithmetic number, because the mean of its divisors is an integer number (834843750).

Almost surely, 2^6660546047 is an apocalyptic number.

6660546047 is a deficient number, since it is larger than the sum of its proper divisors (18203953).

6660546047 is a wasteful number, since it uses less digits than its factorization.

6660546047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11545.

The product of its (nonzero) digits is 725760, while the sum is 44.

The square root of 6660546047 is about 81612.1684983312. The cubic root of 6660546047 is about 1881.4959090442.

The spelling of 6660546047 in words is "six billion, six hundred sixty million, five hundred forty-six thousand, forty-seven".