2066604500 has 24 divisors (see below), whose sum is σ = 4513465320. Its totient is φ = 826641600.

The previous prime is 2066604457. The next prime is 2066604511. The reversal of 2066604500 is 54066602.

It can be written as a sum of positive squares in 4 ways, for example, as 41964484 + 2024640016 = 6478^2 + 44996^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2066105 + ... + 2067104.

It is an arithmetic number, because the mean of its divisors is an integer number (188061055).

Almost surely, 2^2066604500 is an apocalyptic number.

2066604500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2066604500 is an abundant number, since it is smaller than the sum of its proper divisors (2446860820).

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

2066604500 is a wasteful number, since it uses less digits than its factorization.

2066604500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133228 (or 4133216 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2066604500 is about 45459.9219093038. The cubic root of 2066604500 is about 1273.7546728118.

The spelling of 2066604500 in words is "two billion, sixty-six million, six hundred four thousand, five hundred".