6650580 has 48 divisors (see below), whose sum is σ = 18748800. Its totient is φ = 1761408.

The previous prime is 6650561. The next prime is 6650591. The reversal of 6650580 is 850566.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11662 + ... + 12218.

It is an arithmetic number, because the mean of its divisors is an integer number (390600).

Almost surely, 2^6650580 is an apocalyptic number.

6650580 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6650580 is an abundant number, since it is smaller than the sum of its proper divisors (12098220).

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

6650580 is a wasteful number, since it uses less digits than its factorization.

6650580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 6650580 is about 2578.8718463700. The cubic root of 6650580 is about 188.0557025225.

The spelling of 6650580 in words is "six million, six hundred fifty thousand, five hundred eighty".