6166220 has 12 divisors (see below), whose sum is σ = 12949104. Its totient is φ = 2466480.

The previous prime is 6166219. The next prime is 6166247. The reversal of 6166220 is 226616.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154136 + ... + 154175.

It is an arithmetic number, because the mean of its divisors is an integer number (1079092).

Almost surely, 2^6166220 is an apocalyptic number.

It is an amenable number.

6166220 is an abundant number, since it is smaller than the sum of its proper divisors (6782884).

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

6166220 is a wasteful number, since it uses less digits than its factorization.

6166220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308320 (or 308318 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 6166220 is about 2483.1874677519. The cubic root of 6166220 is about 183.3748078803.

The spelling of 6166220 in words is "six million, one hundred sixty-six thousand, two hundred twenty".