2066550 has 48 divisors (see below), whose sum is σ = 5356800. Its totient is φ = 526240.

The previous prime is 2066549. The next prime is 2066551. The reversal of 2066550 is 556602.

It is an interprime number because it is at equal distance from previous prime (2066549) and next prime (2066551).

It is a self number, because there is not a number n which added to its sum of digits gives 2066550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3151 + ... + 3749.

It is an arithmetic number, because the mean of its divisors is an integer number (111600).

2^2066550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2066550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2678400).

2066550 is an abundant number, since it is smaller than the sum of its proper divisors (3290250).

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

2066550 is a wasteful number, since it uses less digits than its factorization.

2066550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2066550 is about 1437.5499991305. The cubic root of 2066550 is about 127.3743475662.

It can be divided in two parts, 20 and 66550, that multiplied together give a cube (1331000 = 110³).

The spelling of 2066550 in words is "two million, sixty-six thousand, five hundred fifty".