165380494 has 8 divisors (see below), whose sum is σ = 253839960. Its totient is φ = 80767176.

The previous prime is 165380473. The next prime is 165380497. The reversal of 165380494 is 494083561.

165380494 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (165380497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961429 + ... + 961600.

It is an arithmetic number, because the mean of its divisors is an integer number (31729995).

Almost surely, 2^165380494 is an apocalyptic number.

165380494 is a deficient number, since it is larger than the sum of its proper divisors (88459466).

165380494 is a wasteful number, since it uses less digits than its factorization.

165380494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923074.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 165380494 is about 12860.0347588955. The cubic root of 165380494 is about 548.9019348112.

The spelling of 165380494 in words is "one hundred sixty-five million, three hundred eighty thousand, four hundred ninety-four".