27582533066 has 16 divisors (see below), whose sum is σ = 45808714080. Its totient is φ = 12350387280.

The previous prime is 27582533063. The next prime is 27582533107. The reversal of 27582533066 is 66033528572.

It is a super-2 number, since 2×27582533066² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27582533066.

It is not an unprimeable number, because it can be changed into a prime (27582533063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9354881 + ... + 9357828.

It is an arithmetic number, because the mean of its divisors is an integer number (2863044630).

Almost surely, 2^27582533066 is an apocalyptic number.

27582533066 is a deficient number, since it is larger than the sum of its proper divisors (18226181014).

27582533066 is a wasteful number, since it uses less digits than its factorization.

27582533066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18712789.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 27582533066 in words is "twenty-seven billion, five hundred eighty-two million, five hundred thirty-three thousand, sixty-six".