66617314045 has 8 divisors (see below), whose sum is σ = 79976494080. Its totient is φ = 53270039760.

The previous prime is 66617314021. The next prime is 66617314063. The reversal of 66617314045 is 54041371666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66617314045 - 2²³ = 66608925437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66617313992 and 66617314010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2964121 + ... + 2986510.

It is an arithmetic number, because the mean of its divisors is an integer number (9997061760).

Almost surely, 2^66617314045 is an apocalyptic number.

It is an amenable number.

66617314045 is a deficient number, since it is larger than the sum of its proper divisors (13359180035).

66617314045 is a wasteful number, since it uses less digits than its factorization.

66617314045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5952875.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 66617314045 in words is "sixty-six billion, six hundred seventeen million, three hundred fourteen thousand, forty-five".