165252151 has 4 divisors (see below), whose sum is σ = 165277872. Its totient is φ = 165226432.

The previous prime is 165252133. The next prime is 165252161. The reversal of 165252151 is 151252561.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 165252151 - 2¹³ = 165243959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165252161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5895 + ... + 19111.

It is an arithmetic number, because the mean of its divisors is an integer number (41319468).

Almost surely, 2^165252151 is an apocalyptic number.

165252151 is a deficient number, since it is larger than the sum of its proper divisors (25721).

165252151 is a wasteful number, since it uses less digits than its factorization.

165252151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25720.

The product of its digits is 3000, while the sum is 28.

The square root of 165252151 is about 12855.0437961136. The cubic root of 165252151 is about 548.7599068716.

The spelling of 165252151 in words is "one hundred sixty-five million, two hundred fifty-two thousand, one hundred fifty-one".