6166620 has 36 divisors (see below), whose sum is σ = 18705960. Its totient is φ = 1644384.

The previous prime is 6166609. The next prime is 6166637. The reversal of 6166620 is 266616.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16950 + ... + 17309.

It is an arithmetic number, because the mean of its divisors is an integer number (519610).

Almost surely, 2^6166620 is an apocalyptic number.

6166620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6166620 is an abundant number, since it is smaller than the sum of its proper divisors (12539340).

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

6166620 is a wasteful number, since it uses less digits than its factorization.

6166620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34274 (or 34269 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 6166620 is about 2483.2680080893. The cubic root of 6166620 is about 183.3787729424.

It can be divided in two parts, 6166 and 620, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 6166620 in words is "six million, one hundred sixty-six thousand, six hundred twenty".