165166311633227 has 8 divisors (see below), whose sum is σ = 166478622429600. Its totient is φ = 163855547464384.

The previous prime is 165166311633221. The next prime is 165166311633259. The reversal of 165166311633227 is 722336113661561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165166311633227 - 2⁶ = 165166311633163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165166311633221) 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, 386442452 + ... + 386869617.

It is an arithmetic number, because the mean of its divisors is an integer number (20809827803700).

Almost surely, 2^{165166311633227} is an apocalyptic number.

165166311633227 is a deficient number, since it is larger than the sum of its proper divisors (1312310796373).

165166311633227 is a wasteful number, since it uses less digits than its factorization.

165166311633227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773313765.

The product of its digits is 4898880, while the sum is 53.

The spelling of 165166311633227 in words is "one hundred sixty-five trillion, one hundred sixty-six billion, three hundred eleven million, six hundred thirty-three thousand, two hundred twenty-seven".