165632003 has 8 divisors (see below), whose sum is σ = 176758272. Its totient is φ = 154659456.

The previous prime is 165631981. The next prime is 165632023. The reversal of 165632003 is 300236561.

165632003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 165632003 - 2⁸ = 165631747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165632023) 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, 36200 + ... + 40517.

It is an arithmetic number, because the mean of its divisors is an integer number (22094784).

Almost surely, 2^165632003 is an apocalyptic number.

165632003 is a deficient number, since it is larger than the sum of its proper divisors (11126269).

165632003 is a wasteful number, since it uses less digits than its factorization.

165632003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76861.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 165632003 is about 12869.8097499536. The cubic root of 165632003 is about 549.1800487307.

Adding to 165632003 its reverse (300236561), we get a palindrome (465868564).

The spelling of 165632003 in words is "one hundred sixty-five million, six hundred thirty-two thousand, three".