165364503 has 8 divisors (see below), whose sum is σ = 230072448. Its totient is φ = 105449784.

The previous prime is 165364501. The next prime is 165364513. The reversal of 165364503 is 305463561.

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

It is not a de Polignac number, because 165364503 - 2¹ = 165364501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165364501) 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, 1198225 + ... + 1198362.

It is an arithmetic number, because the mean of its divisors is an integer number (28759056).

Almost surely, 2^165364503 is an apocalyptic number.

165364503 is a deficient number, since it is larger than the sum of its proper divisors (64707945).

165364503 is a wasteful number, since it uses less digits than its factorization.

165364503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396613.

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

The square root of 165364503 is about 12859.4130114870. The cubic root of 165364503 is about 548.8842427333.

The spelling of 165364503 in words is "one hundred sixty-five million, three hundred sixty-four thousand, five hundred three".