2166060 has 48 divisors (see below), whose sum is σ = 6533856. Its totient is φ = 532992.

The previous prime is 2166053. The next prime is 2166077. The reversal of 2166060 is 606612.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609 + ... + 2168.

It is an arithmetic number, because the mean of its divisors is an integer number (136122).

2^2166060 is an apocalyptic number.

2166060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2166060 is an abundant number, since it is smaller than the sum of its proper divisors (4367796).

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

2166060 is a wasteful number, since it uses less digits than its factorization.

2166060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802 (or 2800 counting only the distinct ones).

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

The square root of 2166060 is about 1471.7540555405. The cubic root of 2166060 is about 129.3868562497.

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

The spelling of 2166060 in words is "two million, one hundred sixty-six thousand, sixty".