2066078461825 has 48 divisors (see below), whose sum is σ = 3082279229440. Its totient is φ = 1342065672000.

The previous prime is 2066078461807. The next prime is 2066078461847. The reversal of 2066078461825 is 5281648706602.

It is not a de Polignac number, because 2066078461825 - 2¹⁷ = 2066078330753 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72706870 + ... + 72735280.

Almost surely, 2^{2066078461825} is an apocalyptic number.

2066078461825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2066078461825 is a deficient number, since it is larger than the sum of its proper divisors (1016200767615).

2066078461825 is a wasteful number, since it uses less digits than its factorization.

2066078461825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50318 (or 50313 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 2066078461825 in words is "two trillion, sixty-six billion, seventy-eight million, four hundred sixty-one thousand, eight hundred twenty-five".