165355463 has 8 divisors (see below), whose sum is σ = 203514528. Its totient is φ = 130830624.

The previous prime is 165355459. The next prime is 165355469. The reversal of 165355463 is 364553561.

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 165355463 - 2² = 165355459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165355469) 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, 908456 + ... + 908637.

It is an arithmetic number, because the mean of its divisors is an integer number (25439316).

Almost surely, 2^165355463 is an apocalyptic number.

165355463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

165355463 is a deficient number, since it is larger than the sum of its proper divisors (38159065).

165355463 is a wasteful number, since it uses less digits than its factorization.

165355463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817113.

The product of its digits is 162000, while the sum is 38.

The square root of 165355463 is about 12859.0615131898. The cubic root of 165355463 is about 548.8742405787.

The spelling of 165355463 in words is "one hundred sixty-five million, three hundred fifty-five thousand, four hundred sixty-three".