66847426014 has 16 divisors (see below), whose sum is σ = 133697813760. Its totient is φ = 22281981720.

The previous prime is 66847425947. The next prime is 66847426043. The reversal of 66847426014 is 41062474866.

It is a Curzon number.

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, 263157 + ... + 450495.

It is an arithmetic number, because the mean of its divisors is an integer number (8356113360).

Almost surely, 2^66847426014 is an apocalyptic number.

66847426014 is an abundant number, since it is smaller than the sum of its proper divisors (66850387746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66847426014 is a wasteful number, since it uses less digits than its factorization.

66847426014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246815.

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 66847426014 in words is "sixty-six billion, eight hundred forty-seven million, four hundred twenty-six thousand, fourteen".