2066265136 has 80 divisors (see below), whose sum is σ = 4662451584. Its totient is φ = 878395392.

The previous prime is 2066265133. The next prime is 2066265239. The reversal of 2066265136 is 6315626602.

It is a super-2 number, since 2×2066265136² = 8538903224498196992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2066265095 and 2066265104.

It is not an unprimeable number, because it can be changed into a prime (2066265133) 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, 159976 + ... + 172408.

Almost surely, 2^2066265136 is an apocalyptic number.

2066265136 is a gapful number since it is divisible by the number (26) 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 2066265136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2331225792).

2066265136 is an abundant number, since it is smaller than the sum of its proper divisors (2596186448).

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

2066265136 is a wasteful number, since it uses less digits than its factorization.

2066265136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12518 (or 12512 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 2066265136 is about 45456.1891935521. The cubic root of 2066265136 is about 1273.6849464976.

The spelling of 2066265136 in words is "two billion, sixty-six million, two hundred sixty-five thousand, one hundred thirty-six".