66086427546 has 24 divisors (see below), whose sum is σ = 144454408020. Its totient is φ = 21833863296.

The previous prime is 66086427527. The next prime is 66086427559. The reversal of 66086427546 is 64572468066.

66086427546 is a `hidden beast` number, since 6 + 608 + 6 + 4 + 27 + 5 + 4 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41267891025 + 24818536521 = 203145^2 + 157539^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 66086427492 and 66086427501.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16243401 + ... + 16247468.

Almost surely, 2^66086427546 is an apocalyptic number.

66086427546 is an abundant number, since it is smaller than the sum of its proper divisors (78367980474).

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

66086427546 is a wasteful number, since it uses less digits than its factorization.

66086427546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32490990 (or 32490987 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 66086427546 in words is "sixty-six billion, eighty-six million, four hundred twenty-seven thousand, five hundred forty-six".