66732853017 has 16 divisors (see below), whose sum is σ = 91331208000. Its totient is φ = 43325976000.

The previous prime is 66732853007. The next prime is 66732853067. The reversal of 66732853017 is 71035823766.

66732853017 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 66732853017 - 2⁷ = 66732852889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66732853007) 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, 1786767 + ... + 1823732.

It is an arithmetic number, because the mean of its divisors is an integer number (5708200500).

Almost surely, 2^66732853017 is an apocalyptic number.

It is an amenable number.

66732853017 is a deficient number, since it is larger than the sum of its proper divisors (24598354983).

66732853017 is a wasteful number, since it uses less digits than its factorization.

66732853017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610664.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 66732853017 in words is "sixty-six billion, seven hundred thirty-two million, eight hundred fifty-three thousand, seventeen".