36166226555 has 4 divisors (see below), whose sum is σ = 43399471872. Its totient is φ = 28932981240.

The previous prime is 36166226521. The next prime is 36166226557. The reversal of 36166226555 is 55562266163.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 36166226555 - 2¹⁶ = 36166161019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36166226557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3616622651 + ... + 3616622660.

It is an arithmetic number, because the mean of its divisors is an integer number (10849867968).

Almost surely, 2^36166226555 is an apocalyptic number.

36166226555 is a deficient number, since it is larger than the sum of its proper divisors (7233245317).

36166226555 is an equidigital number, since it uses as much as digits as its factorization.

36166226555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233245316.

The product of its digits is 1944000, while the sum is 47.

The spelling of 36166226555 in words is "thirty-six billion, one hundred sixty-six million, two hundred twenty-six thousand, five hundred fifty-five".