2065766402500 has 60 divisors (see below), whose sum is σ = 4755176918800. Its totient is φ = 782816724000.

The previous prime is 2065766402459. The next prime is 2065766402501. The reversal of 2065766402500 is 52046675602.

It is not an unprimeable number, because it can be changed into a prime (2065766402501) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21697410 + ... + 21792409.

Almost surely, 2^{2065766402500} is an apocalyptic number.

2065766402500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2065766402500 is an abundant number, since it is smaller than the sum of its proper divisors (2689410516300).

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

2065766402500 is a wasteful number, since it uses less digits than its factorization.

2065766402500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43489862 (or 43489845 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 2065766402500 in words is "two trillion, sixty-five billion, seven hundred sixty-six million, four hundred two thousand, five hundred".