165173433 has 8 divisors (see below), whose sum is σ = 220295328. Its totient is φ = 110083584.

The previous prime is 165173429. The next prime is 165173471. The reversal of 165173433 is 334371561.

165173433 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 not a de Polignac number, because 165173433 - 2² = 165173429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165173394 and 165173403.

It is not an unprimeable number, because it can be changed into a prime (165173483) 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, 9466 + ... + 20492.

It is an arithmetic number, because the mean of its divisors is an integer number (27536916).

Almost surely, 2^165173433 is an apocalyptic number.

It is an amenable number.

165173433 is a deficient number, since it is larger than the sum of its proper divisors (55121895).

165173433 is a wasteful number, since it uses less digits than its factorization.

165173433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16023.

The product of its digits is 22680, while the sum is 33.

The square root of 165173433 is about 12851.9816759907. The cubic root of 165173433 is about 548.6727589526.

The spelling of 165173433 in words is "one hundred sixty-five million, one hundred seventy-three thousand, four hundred thirty-three".