3516504004165 has 4 divisors (see below), whose sum is σ = 4219804805004. Its totient is φ = 2813203203328.

The previous prime is 3516504004151. The next prime is 3516504004171. The reversal of 3516504004165 is 5614004056153.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1765013217444 + 1751490786721 = 1328538^2 + 1323439^2 .

It is a cyclic number.

It is not a de Polignac number, because 3516504004165 - 2¹³ = 3516503995973 is a prime.

It is a super-2 number, since 2×3516504004165² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351650400412 + ... + 351650400421.

It is an arithmetic number, because the mean of its divisors is an integer number (1054951201251).

Almost surely, 2^{3516504004165} is an apocalyptic number.

It is an amenable number.

3516504004165 is a deficient number, since it is larger than the sum of its proper divisors (703300800839).

3516504004165 is an equidigital number, since it uses as much as digits as its factorization.

3516504004165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703300800838.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 3516504004165 in words is "three trillion, five hundred sixteen billion, five hundred four million, four thousand, one hundred sixty-five".