3621541165 has 8 divisors (see below), whose sum is σ = 4740926688. Its totient is φ = 2633848080.

The previous prime is 3621541139. The next prime is 3621541211. The reversal of 3621541165 is 5611451263.

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

It is a de Polignac number, because none of the positive numbers 2^k-3621541165 is a prime.

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 3621541165.

It is a congruent number.

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, 32923047 + ... + 32923156.

It is an arithmetic number, because the mean of its divisors is an integer number (592615836).

Almost surely, 2^3621541165 is an apocalyptic number.

It is an amenable number.

3621541165 is a deficient number, since it is larger than the sum of its proper divisors (1119385523).

3621541165 is a wasteful number, since it uses less digits than its factorization.

3621541165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65846219.

The product of its digits is 21600, while the sum is 34.

The square root of 3621541165 is about 60179.2419776122. The cubic root of 3621541165 is about 1535.6696763554.

The spelling of 3621541165 in words is "three billion, six hundred twenty-one million, five hundred forty-one thousand, one hundred sixty-five".