66928337158 has 8 divisors (see below), whose sum is σ = 103630973760. Its totient is φ = 32384679240.

The previous prime is 66928337141. The next prime is 66928337167. The reversal of 66928337158 is 85173382966.

66928337158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539744593 + ... + 539744716.

It is an arithmetic number, because the mean of its divisors is an integer number (12953871720).

Almost surely, 2^66928337158 is an apocalyptic number.

66928337158 is a deficient number, since it is larger than the sum of its proper divisors (36702636602).

66928337158 is a wasteful number, since it uses less digits than its factorization.

66928337158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079489342.

The product of its digits is 13063680, while the sum is 58.

The spelling of 66928337158 in words is "sixty-six billion, nine hundred twenty-eight million, three hundred thirty-seven thousand, one hundred fifty-eight".