66739346614 has 16 divisors (see below), whose sum is σ = 100302245856. Its totient is φ = 33305328000.

The previous prime is 66739346603. The next prime is 66739346627. The reversal of 66739346614 is 41664393766.

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, 2245519 + ... + 2275045.

It is an arithmetic number, because the mean of its divisors is an integer number (6268890366).

Almost surely, 2^66739346614 is an apocalyptic number.

66739346614 is a deficient number, since it is larger than the sum of its proper divisors (33562899242).

66739346614 is a wasteful number, since it uses less digits than its factorization.

66739346614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31671.

The product of its digits is 11757312, while the sum is 55.

The spelling of 66739346614 in words is "sixty-six billion, seven hundred thirty-nine million, three hundred forty-six thousand, six hundred fourteen".