6677660 has 48 divisors (see below), whose sum is σ = 15482880. Its totient is φ = 2399040.

The previous prime is 6677641. The next prime is 6677663. The reversal of 6677660 is 667766.

It is a super-2 number, since 2×6677660² = 89182286151200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6677663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27821 + ... + 28059.

It is an arithmetic number, because the mean of its divisors is an integer number (322560).

Almost surely, 2^6677660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6677660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7741440).

6677660 is an abundant number, since it is smaller than the sum of its proper divisors (8805220).

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

6677660 is a wasteful number, since it uses less digits than its factorization.

6677660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 6677660 is about 2584.1168704221. The cubic root of 6677660 is about 188.3106001920.

It can be divided in two parts, 6677 and 660, that added together give a palindrome (7337).

The spelling of 6677660 in words is "six million, six hundred seventy-seven thousand, six hundred sixty".