165641035 has 8 divisors (see below), whose sum is σ = 227164896. Its totient is φ = 113582400.

The previous prime is 165641027. The next prime is 165641057. The reversal of 165641035 is 530146561.

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

It is not a de Polignac number, because 165641035 - 2³ = 165641027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165640988 and 165641006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2366266 + ... + 2366335.

It is an arithmetic number, because the mean of its divisors is an integer number (28395612).

Almost surely, 2^165641035 is an apocalyptic number.

165641035 is a deficient number, since it is larger than the sum of its proper divisors (61523861).

165641035 is an equidigital number, since it uses as much as digits as its factorization.

165641035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4732613.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 165641035 is about 12870.1606439081. The cubic root of 165641035 is about 549.1900309080.

Adding to 165641035 its reverse (530146561), we get a palindrome (695787596).

The spelling of 165641035 in words is "one hundred sixty-five million, six hundred forty-one thousand, thirty-five".