2166054 has 32 divisors (see below), whose sum is σ = 4859136. Its totient is φ = 637920.

The previous prime is 2166053. The next prime is 2166077. The reversal of 2166054 is 4506612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1999 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (151848).

2^2166054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2166054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2429568).

2166054 is an abundant number, since it is smaller than the sum of its proper divisors (2693082).

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

2166054 is a wasteful number, since it uses less digits than its factorization.

2166054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2166054 is about 1471.7520171551. The cubic root of 2166054 is about 129.3867367821.

The spelling of 2166054 in words is "two million, one hundred sixty-six thousand, fifty-four".