165003301533 has 12 divisors (see below), whose sum is σ = 255923488320. Its totient is φ = 94287600792.

The previous prime is 165003301517. The next prime is 165003301591. The reversal of 165003301533 is 335103300561.

It is not a de Polignac number, because 165003301533 - 2⁴ = 165003301517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165003301533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165003301033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561235573 + ... + 561235866.

It is an arithmetic number, because the mean of its divisors is an integer number (21326957360).

Almost surely, 2^165003301533 is an apocalyptic number.

It is an amenable number.

165003301533 is a deficient number, since it is larger than the sum of its proper divisors (90920186787).

165003301533 is a wasteful number, since it uses less digits than its factorization.

165003301533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122471456 (or 1122471449 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 30.

The spelling of 165003301533 in words is "one hundred sixty-five billion, three million, three hundred one thousand, five hundred thirty-three".