165626741 has 8 divisors (see below), whose sum is σ = 191954304. Its totient is φ = 139965840.

The previous prime is 165626737. The next prime is 165626777. The reversal of 165626741 is 147626561.

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

It is not a de Polignac number, because 165626741 - 2² = 165626737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165626695 and 165626704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165626441) 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 7 ways as a sum of consecutive naturals, for example, 166130 + ... + 167123.

It is an arithmetic number, because the mean of its divisors is an integer number (23994288).

Almost surely, 2^165626741 is an apocalyptic number.

It is an amenable number.

165626741 is a deficient number, since it is larger than the sum of its proper divisors (26327563).

165626741 is an equidigital number, since it uses as much as digits as its factorization.

165626741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333331.

The product of its digits is 60480, while the sum is 38.

The square root of 165626741 is about 12869.6053164035. The cubic root of 165626741 is about 549.1742329947.

The spelling of 165626741 in words is "one hundred sixty-five million, six hundred twenty-six thousand, seven hundred forty-one".