66023838705 has 32 divisors (see below), whose sum is σ = 115749347328. Its totient is φ = 31870520000.

The previous prime is 66023838649. The next prime is 66023838721. The reversal of 66023838705 is 50783832066.

It is not a de Polignac number, because 66023838705 - 2⁹ = 66023838193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 843921 + ... + 918830.

It is an arithmetic number, because the mean of its divisors is an integer number (3617167104).

Almost surely, 2^66023838705 is an apocalyptic number.

It is an amenable number.

66023838705 is a deficient number, since it is larger than the sum of its proper divisors (49725508623).

66023838705 is a wasteful number, since it uses less digits than its factorization.

66023838705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762997.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 66023838705 in words is "sixty-six billion, twenty-three million, eight hundred thirty-eight thousand, seven hundred five".