165376894 has 4 divisors (see below), whose sum is σ = 248065344. Its totient is φ = 82688446.

The previous prime is 165376891. The next prime is 165376933. The reversal of 165376894 is 498673561.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165376891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41344222 + ... + 41344225.

It is an arithmetic number, because the mean of its divisors is an integer number (62016336).

Almost surely, 2^165376894 is an apocalyptic number.

165376894 is a deficient number, since it is larger than the sum of its proper divisors (82688450).

165376894 is an equidigital number, since it uses as much as digits as its factorization.

165376894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82688449.

The product of its digits is 1088640, while the sum is 49.

The square root of 165376894 is about 12859.8947896163. The cubic root of 165376894 is about 548.8979519527.

The spelling of 165376894 in words is "one hundred sixty-five million, three hundred seventy-six thousand, eight hundred ninety-four".