66064040045 has 16 divisors (see below), whose sum is σ = 80052504768. Its totient is φ = 52334557440.

The previous prime is 66064040039. The next prime is 66064040059. The reversal of 66064040045 is 54004046066.

66064040045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66064040045 - 2¹² = 66064035949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66064039987 and 66064040014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1264277 + ... + 1315493.

It is an arithmetic number, because the mean of its divisors is an integer number (5003281548).

Almost surely, 2^66064040045 is an apocalyptic number.

It is an amenable number.

66064040045 is a deficient number, since it is larger than the sum of its proper divisors (13988464723).

66064040045 is a wasteful number, since it uses less digits than its factorization.

66064040045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53740.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 66064040045 in words is "sixty-six billion, sixty-four million, forty thousand, forty-five".