165101099 has 4 divisors (see below), whose sum is σ = 165205320. Its totient is φ = 164996880.

The previous prime is 165101077. The next prime is 165101119. The reversal of 165101099 is 990101561.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 165101099 - 2⁸ = 165100843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165101039) 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 3 ways as a sum of consecutive naturals, for example, 49697 + ... + 52914.

It is an arithmetic number, because the mean of its divisors is an integer number (41301330).

Almost surely, 2^165101099 is an apocalyptic number.

165101099 is a deficient number, since it is larger than the sum of its proper divisors (104221).

165101099 is a wasteful number, since it uses less digits than its factorization.

165101099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104220.

The product of its (nonzero) digits is 2430, while the sum is 32.

The square root of 165101099 is about 12849.1672492812. The cubic root of 165101099 is about 548.5926542823.

The spelling of 165101099 in words is "one hundred sixty-five million, one hundred one thousand, ninety-nine".