165500153 has 16 divisors (see below), whose sum is σ = 204011136. Its totient is φ = 130740480.

The previous prime is 165500143. The next prime is 165500161. The reversal of 165500153 is 351005561.

It is not a de Polignac number, because 165500153 - 2¹² = 165496057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165500143) 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 15 ways as a sum of consecutive naturals, for example, 87425 + ... + 89297.

It is an arithmetic number, because the mean of its divisors is an integer number (12750696).

Almost surely, 2^165500153 is an apocalyptic number.

165500153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

165500153 is a deficient number, since it is larger than the sum of its proper divisors (38510983).

165500153 is a wasteful number, since it uses less digits than its factorization.

165500153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 165500153 is about 12864.6862767811. The cubic root of 165500153 is about 549.0342866190.

The spelling of 165500153 in words is "one hundred sixty-five million, five hundred thousand, one hundred fifty-three".