166365110505363 has 32 divisors (see below), whose sum is σ = 276555912602112. Its totient is φ = 86423145369600.

The previous prime is 166365110505343. The next prime is 166365110505437. The reversal of 166365110505363 is 363505011563661.

It is not a de Polignac number, because 166365110505363 - 2¹⁴ = 166365110488979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166365110505323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79927123 + ... + 81982163.

It is an arithmetic number, because the mean of its divisors is an integer number (8642372268816).

Almost surely, 2^{166365110505363} is an apocalyptic number.

166365110505363 is a deficient number, since it is larger than the sum of its proper divisors (110190802096749).

166365110505363 is a wasteful number, since it uses less digits than its factorization.

166365110505363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405515.

The product of its (nonzero) digits is 4374000, while the sum is 51.

The spelling of 166365110505363 in words is "one hundred sixty-six trillion, three hundred sixty-five billion, one hundred ten million, five hundred five thousand, three hundred sixty-three".