165532149103 has 8 divisors (see below), whose sum is σ = 172764546048. Its totient is φ = 158302697784.

The previous prime is 165532149059. The next prime is 165532149179. The reversal of 165532149103 is 301941235561.

It is a happy number.

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 165532149103 - 2⁹ = 165532148591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165532149193) 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, 621175 + ... + 846712.

It is an arithmetic number, because the mean of its divisors is an integer number (21595568256).

Almost surely, 2^165532149103 is an apocalyptic number.

165532149103 is a deficient number, since it is larger than the sum of its proper divisors (7232396945).

165532149103 is a wasteful number, since it uses less digits than its factorization.

165532149103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472813.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 165532149103 in words is "one hundred sixty-five billion, five hundred thirty-two million, one hundred forty-nine thousand, one hundred three".