165331347 has 8 divisors (see below), whose sum is σ = 221057280. Its totient is φ = 109913160.

The previous prime is 165331333. The next prime is 165331367. The reversal of 165331347 is 743133561.

165331347 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 165331347 - 2⁷ = 165331219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165331367) 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, 75679 + ... + 77832.

It is an arithmetic number, because the mean of its divisors is an integer number (27632160).

Almost surely, 2^165331347 is an apocalyptic number.

165331347 is a deficient number, since it is larger than the sum of its proper divisors (55725933).

165331347 is a wasteful number, since it uses less digits than its factorization.

165331347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153873.

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

The square root of 165331347 is about 12858.1237744859. The cubic root of 165331347 is about 548.8475560562.

The spelling of 165331347 in words is "one hundred sixty-five million, three hundred thirty-one thousand, three hundred forty-seven".