165082516378 has 8 divisors (see below), whose sum is σ = 266671757268. Its totient is φ = 76191930624.

The previous prime is 165082516349. The next prime is 165082516393. The reversal of 165082516378 is 873615280561.

It can be written as a sum of positive squares in 2 ways, for example, as 118647869209 + 46434647169 = 344453^2 + 215487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3174663751 + ... + 3174663802.

Almost surely, 2^165082516378 is an apocalyptic number.

165082516378 is a deficient number, since it is larger than the sum of its proper divisors (101589240890).

165082516378 is a wasteful number, since it uses less digits than its factorization.

165082516378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6349327568.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 165082516378 in words is "one hundred sixty-five billion, eighty-two million, five hundred sixteen thousand, three hundred seventy-eight".