165210346105563 has 48 divisors (see below), whose sum is σ = 254886886016000. Its totient is φ = 94851313761600.

The previous prime is 165210346105547. The next prime is 165210346105579. The reversal of 165210346105563 is 365501643012561.

It is an interprime number because it is at equal distance from previous prime (165210346105547) and next prime (165210346105579).

It is not a de Polignac number, because 165210346105563 - 2⁴ = 165210346105547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165210346105583) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104039493 + ... + 105615513.

Almost surely, 2^{165210346105563} is an apocalyptic number.

165210346105563 is a deficient number, since it is larger than the sum of its proper divisors (89676539910437).

165210346105563 is a wasteful number, since it uses less digits than its factorization.

165210346105563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591264 (or 1591253 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 165210346105563 in words is "one hundred sixty-five trillion, two hundred ten billion, three hundred forty-six million, one hundred five thousand, five hundred sixty-three".