27350406220066 has 32 divisors (see below), whose sum is σ = 43438810631040. Its totient is φ = 12879282921984.

The previous prime is 27350406219989. The next prime is 27350406220069. The reversal of 27350406220066 is 66002260405372.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27350406220069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67332211 + ... + 67737193.

It is an arithmetic number, because the mean of its divisors is an integer number (1357462832220).

Almost surely, 2^{27350406220066} is an apocalyptic number.

27350406220066 is a deficient number, since it is larger than the sum of its proper divisors (16088404410974).

27350406220066 is a wasteful number, since it uses less digits than its factorization.

27350406220066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415450.

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 27350406220066 in words is "twenty-seven trillion, three hundred fifty billion, four hundred six million, two hundred twenty thousand, sixty-six".