165446101 has 4 divisors (see below), whose sum is σ = 170783104. Its totient is φ = 160109100.

The previous prime is 165446087. The next prime is 165446123. The reversal of 165446101 is 101644561.

165446101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 165446101 - 2⁹ = 165445589 is a prime.

It is a super-2 number, since 2×165446101² = 54744824672204402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165446101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165446161) 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, 2668455 + ... + 2668516.

It is an arithmetic number, because the mean of its divisors is an integer number (42695776).

Almost surely, 2^165446101 is an apocalyptic number.

It is an amenable number.

165446101 is a deficient number, since it is larger than the sum of its proper divisors (5337003).

165446101 is an equidigital number, since it uses as much as digits as its factorization.

165446101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337002.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 165446101 is about 12862.5853155577. The cubic root of 165446101 is about 548.9745089651.

The spelling of 165446101 in words is "one hundred sixty-five million, four hundred forty-six thousand, one hundred one".