6021660 has 24 divisors (see below), whose sum is σ = 16860816. Its totient is φ = 1605760.

The previous prime is 6021649. The next prime is 6021661. The reversal of 6021660 is 661206.

6021660 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6021661) 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, 50121 + ... + 50240.

It is an arithmetic number, because the mean of its divisors is an integer number (702534).

Almost surely, 2^6021660 is an apocalyptic number.

6021660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6021660 is an abundant number, since it is smaller than the sum of its proper divisors (10839156).

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

6021660 is a wasteful number, since it uses less digits than its factorization.

6021660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100373 (or 100371 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 6021660 is about 2453.9070887057. The cubic root of 6021660 is about 181.9304568666.

Adding to 6021660 its reverse (661206), we get a palindrome (6682866).

It can be divided in two parts, 60 and 21660, that multiplied together give a square (1299600 = 1140²).

The spelling of 6021660 in words is "six million, twenty-one thousand, six hundred sixty".