165151533 has 8 divisors (see below), whose sum is σ = 220341568. Its totient is φ = 110031264.

The previous prime is 165151531. The next prime is 165151537. The reversal of 165151533 is 335151561.

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

It is not a de Polignac number, because 165151533 - 2¹ = 165151531 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 165151533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165151531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11641 + ... + 21582.

It is an arithmetic number, because the mean of its divisors is an integer number (27542696).

Almost surely, 2^165151533 is an apocalyptic number.

It is an amenable number.

165151533 is a deficient number, since it is larger than the sum of its proper divisors (55190035).

165151533 is a wasteful number, since it uses less digits than its factorization.

165151533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34883.

The product of its digits is 6750, while the sum is 30.

The square root of 165151533 is about 12851.1296390629. The cubic root of 165151533 is about 548.6485087563.

The spelling of 165151533 in words is "one hundred sixty-five million, one hundred fifty-one thousand, five hundred thirty-three".