165434032363 has 4 divisors (see below), whose sum is σ = 168953905440. Its totient is φ = 161914159288.

The previous prime is 165434032349. The next prime is 165434032411. The reversal of 165434032363 is 363230434561.

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

It is a cyclic number.

It is not a de Polignac number, because 165434032363 - 2²¹ = 165431935211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165434032343) 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, 1759936468 + ... + 1759936561.

It is an arithmetic number, because the mean of its divisors is an integer number (42238476360).

Almost surely, 2^165434032363 is an apocalyptic number.

165434032363 is a deficient number, since it is larger than the sum of its proper divisors (3519873077).

165434032363 is an equidigital number, since it uses as much as digits as its factorization.

165434032363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519873076.

The product of its (nonzero) digits is 466560, while the sum is 40.

The spelling of 165434032363 in words is "one hundred sixty-five billion, four hundred thirty-four million, thirty-two thousand, three hundred sixty-three".