165016653 has 8 divisors (see below), whose sum is σ = 231602400. Its totient is φ = 104221008.

The previous prime is 165016619. The next prime is 165016673. The reversal of 165016653 is 356610561.

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

It is not a de Polignac number, because 165016653 - 2⁶ = 165016589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165016673) 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, 1447458 + ... + 1447571.

It is an arithmetic number, because the mean of its divisors is an integer number (28950300).

Almost surely, 2^165016653 is an apocalyptic number.

It is an amenable number.

165016653 is a deficient number, since it is larger than the sum of its proper divisors (66585747).

165016653 is a wasteful number, since it uses less digits than its factorization.

165016653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895051.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 165016653 is about 12845.8807794561. The cubic root of 165016653 is about 548.4991068414.

The spelling of 165016653 in words is "one hundred sixty-five million, sixteen thousand, six hundred fifty-three".