66546789414075 has 36 divisors (see below), whose sum is σ = 122249306194680. Its totient is φ = 35491507985520.

The previous prime is 66546789414067. The next prime is 66546789414089. The reversal of 66546789414075 is 57041498764566.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

66546789414075 is a `hidden beast` number, since 6 + 6 + 5 + 4 + 67 + 89 + 414 + 0 + 75 = 666.

It is not a de Polignac number, because 66546789414075 - 2³ = 66546789414067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66546789413994 and 66546789414012.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 211784232 + ... + 212098218.

Almost surely, 2^{66546789414075} is an apocalyptic number.

66546789414075 is a deficient number, since it is larger than the sum of its proper divisors (55702516780605).

66546789414075 is an frugal number, since it uses more digits than its factorization.

66546789414075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627993 (or 313995 counting only the distinct ones).

The product of its (nonzero) digits is 1219276800, while the sum is 72.

The spelling of 66546789414075 in words is "sixty-six trillion, five hundred forty-six billion, seven hundred eighty-nine million, four hundred fourteen thousand, seventy-five".