6166720 has 56 divisors (see below), whose sum is σ = 16788384. Its totient is φ = 2113536.

The previous prime is 6166717. The next prime is 6166723. The reversal of 6166720 is 276616.

It is an interprime number because it is at equal distance from previous prime (6166717) and next prime (6166723).

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (6166723) 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, 864 + ... + 3616.

Almost surely, 2^6166720 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 6166720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8394192).

6166720 is an abundant number, since it is smaller than the sum of its proper divisors (10621664).

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

6166720 is a wasteful number, since it uses less digits than its factorization.

6166720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777 (or 2767 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 6166720 is about 2483.2881427656. The cubic root of 6166720 is about 183.3797641812.

It can be divided in two parts, 6166 and 720, that added together give a palindrome (6886).

The spelling of 6166720 in words is "six million, one hundred sixty-six thousand, seven hundred twenty".