66697063334 has 32 divisors (see below), whose sum is σ = 111005471520. Its totient is φ = 29802784000.

The previous prime is 66697063297. The next prime is 66697063343. The reversal of 66697063334 is 43336079666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240284 + ... + 437184.

It is an arithmetic number, because the mean of its divisors is an integer number (3468920985).

Almost surely, 2^66697063334 is an apocalyptic number.

66697063334 is a deficient number, since it is larger than the sum of its proper divisors (44308408186).

66697063334 is a wasteful number, since it uses less digits than its factorization.

66697063334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197176.

The product of its (nonzero) digits is 8817984, while the sum is 53.

The spelling of 66697063334 in words is "sixty-six billion, six hundred ninety-seven million, sixty-three thousand, three hundred thirty-four".