32243040165 has 16 divisors (see below), whose sum is σ = 58958702208. Its totient is φ = 14739675456.

The previous prime is 32243040161. The next prime is 32243040173. The reversal of 32243040165 is 56104034223.

It is not a de Polignac number, because 32243040165 - 2² = 32243040161 is a prime.

It is a super-2 number, since 2×32243040165² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32243040161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153538182 + ... + 153538391.

It is an arithmetic number, because the mean of its divisors is an integer number (3684918888).

Almost surely, 2^32243040165 is an apocalyptic number.

32243040165 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

32243040165 is a deficient number, since it is larger than the sum of its proper divisors (26715662043).

32243040165 is a wasteful number, since it uses less digits than its factorization.

32243040165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307076588.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 32243040165 its reverse (56104034223), we get a palindrome (88347074388).

The spelling of 32243040165 in words is "thirty-two billion, two hundred forty-three million, forty thousand, one hundred sixty-five".