2066375700 has 108 divisors (see below), whose sum is σ = 6540116128. Its totient is φ = 545659200.

The previous prime is 2066375699. The next prime is 2066375747. The reversal of 2066375700 is 75736602.

It is a happy number.

2066375700 is a `hidden beast` number, since 20 + 6 + 63 + 7 + 570 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 81555 + ... + 103845.

Almost surely, 2^2066375700 is an apocalyptic number.

2066375700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2066375700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3270058064).

2066375700 is an abundant number, since it is smaller than the sum of its proper divisors (4473740428).

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

2066375700 is a wasteful number, since it uses less digits than its factorization.

2066375700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22414 (or 22404 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 2066375700 is about 45457.4053373045. The cubic root of 2066375700 is about 1273.7076640066.

The spelling of 2066375700 in words is "two billion, sixty-six million, three hundred seventy-five thousand, seven hundred".