6606672660 has 240 divisors, whose sum is σ = 23748633216. Its totient is φ = 1506117888.

The previous prime is 6606672629. The next prime is 6606672679. The reversal of 6606672660 is 662766066.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7744794 + ... + 7745646.

Almost surely, 2^6606672660 is an apocalyptic number.

6606672660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6606672660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11874316608).

6606672660 is an abundant number, since it is smaller than the sum of its proper divisors (17141960556).

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

6606672660 is a wasteful number, since it uses less digits than its factorization.

6606672660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 6606672660 is about 81281.4410551388. The cubic root of 6606672660 is about 1876.4093851391.

The spelling of 6606672660 in words is "six billion, six hundred six million, six hundred seventy-two thousand, six hundred sixty".