165064534 has 8 divisors (see below), whose sum is σ = 250988760. Its totient is φ = 81401616.

The previous prime is 165064531. The next prime is 165064591. The reversal of 165064534 is 435460561.

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

It is a self number, because there is not a number n which added to its sum of digits gives 165064534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165064531) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 565144 + ... + 565435.

It is an arithmetic number, because the mean of its divisors is an integer number (31373595).

Almost surely, 2^165064534 is an apocalyptic number.

165064534 is a deficient number, since it is larger than the sum of its proper divisors (85924226).

165064534 is a wasteful number, since it uses less digits than its factorization.

165064534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130654.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 165064534 is about 12847.7443156377. The cubic root of 165064534 is about 548.5521522877.

The spelling of 165064534 in words is "one hundred sixty-five million, sixty-four thousand, five hundred thirty-four".