165552363 has 16 divisors (see below), whose sum is σ = 245817760. Its totient is φ = 110118528.

The previous prime is 165552349. The next prime is 165552379. The reversal of 165552363 is 363255561.

It is not a de Polignac number, because 165552363 - 2¹² = 165548267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165552313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5631 + ... + 19047.

It is an arithmetic number, because the mean of its divisors is an integer number (15363610).

Almost surely, 2^165552363 is an apocalyptic number.

165552363 is a deficient number, since it is larger than the sum of its proper divisors (80265397).

165552363 is a wasteful number, since it uses less digits than its factorization.

165552363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13883 (or 13877 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 165552363 is about 12866.7153151066. The cubic root of 165552363 is about 549.0920147959.

The spelling of 165552363 in words is "one hundred sixty-five million, five hundred fifty-two thousand, three hundred sixty-three".