165437354 has 4 divisors (see below), whose sum is σ = 248156034. Its totient is φ = 82718676.

The previous prime is 165437347. The next prime is 165437369. The reversal of 165437354 is 453734561.

165437354 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 118309129 + 47128225 = 10877^2 + 6865^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41359337 + ... + 41359340.

Almost surely, 2^165437354 is an apocalyptic number.

165437354 is a deficient number, since it is larger than the sum of its proper divisors (82718680).

165437354 is an equidigital number, since it uses as much as digits as its factorization.

165437354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82718679.

The product of its digits is 151200, while the sum is 38.

The square root of 165437354 is about 12862.2452938824. The cubic root of 165437354 is about 548.9648341836.

The spelling of 165437354 in words is "one hundred sixty-five million, four hundred thirty-seven thousand, three hundred fifty-four".