2066539344 has 40 divisors (see below), whose sum is σ = 5341732512. Its totient is φ = 688437120.

The previous prime is 2066539337. The next prime is 2066539361. The reversal of 2066539344 is 4439356602.

It is a junction number, because it is equal to n+sod(n) for n = 2066539296 and 2066539305.

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, 75042 + ... + 98814.

Almost surely, 2^2066539344 is an apocalyptic number.

2066539344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2066539344 is an abundant number, since it is smaller than the sum of its proper divisors (3275193168).

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

2066539344 is a wasteful number, since it uses less digits than its factorization.

2066539344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25595 (or 25589 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The square root of 2066539344 is about 45459.2052724198. The cubic root of 2066539344 is about 1273.7412863395.

The spelling of 2066539344 in words is "two billion, sixty-six million, five hundred thirty-nine thousand, three hundred forty-four".