165312034 has 4 divisors (see below), whose sum is σ = 247968054. Its totient is φ = 82656016.

The previous prime is 165312011. The next prime is 165312061. The reversal of 165312034 is 430213561.

165312034 is digitally balanced in base 2, 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., 165251025 + 61009 = 12855^2 + 247^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41328007 + ... + 41328010.

Almost surely, 2^165312034 is an apocalyptic number.

165312034 is a deficient number, since it is larger than the sum of its proper divisors (82656020).

165312034 is an equidigital number, since it uses as much as digits as its factorization.

165312034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82656019.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 165312034 is about 12857.3727487384. The cubic root of 165312034 is about 548.8261842155.

Adding to 165312034 its reverse (430213561), we get a palindrome (595525595).

The spelling of 165312034 in words is "one hundred sixty-five million, three hundred twelve thousand, thirty-four".