165450363 has 8 divisors (see below), whose sum is σ = 237569808. Its totient is φ = 101815584.

The previous prime is 165450353. The next prime is 165450371. The reversal of 165450363 is 363054561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165450363 - 2⁵ = 165450331 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (165450343) 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, 2121120 + ... + 2121197.

It is an arithmetic number, because the mean of its divisors is an integer number (29696226).

Almost surely, 2^165450363 is an apocalyptic number.

165450363 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

165450363 is a deficient number, since it is larger than the sum of its proper divisors (72119445).

165450363 is a wasteful number, since it uses less digits than its factorization.

165450363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242333.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 165450363 is about 12862.7509888048. The cubic root of 165450363 is about 548.9792229057.

The spelling of 165450363 in words is "one hundred sixty-five million, four hundred fifty thousand, three hundred sixty-three".