165400316 has 6 divisors (see below), whose sum is σ = 289450560. Its totient is φ = 82700156.

The previous prime is 165400309. The next prime is 165400343. The reversal of 165400316 is 613004561.

It is a congruent number.

It is an unprimeable number.

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, 20675036 + ... + 20675043.

It is an arithmetic number, because the mean of its divisors is an integer number (48241760).

Almost surely, 2^165400316 is an apocalyptic number.

It is an amenable number.

165400316 is a deficient number, since it is larger than the sum of its proper divisors (124050244).

165400316 is a wasteful number, since it uses less digits than its factorization.

165400316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41350083 (or 41350081 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 165400316 is about 12860.8054180133. The cubic root of 165400316 is about 548.9238638373.

Adding to 165400316 its reverse (613004561), we get a palindrome (778404877).

The spelling of 165400316 in words is "one hundred sixty-five million, four hundred thousand, three hundred sixteen".