66134656634596 has 48 divisors (see below), whose sum is σ = 129205848074688. Its totient is φ = 29359253952000.

The previous prime is 66134656634521. The next prime is 66134656634603. The reversal of 66134656634596 is 69543665643166.

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, 17817496 + ... + 21206896.

It is an arithmetic number, because the mean of its divisors is an integer number (2691788501556).

Almost surely, 2^{66134656634596} is an apocalyptic number.

It is an amenable number.

66134656634596 is a deficient number, since it is larger than the sum of its proper divisors (63071191440092).

66134656634596 is a wasteful number, since it uses less digits than its factorization.

66134656634596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399772 (or 3399770 counting only the distinct ones).

The product of its digits is 1511654400, while the sum is 70.

The spelling of 66134656634596 in words is "sixty-six trillion, one hundred thirty-four billion, six hundred fifty-six million, six hundred thirty-four thousand, five hundred ninety-six".