501105165 has 24 divisors (see below), whose sum is σ = 881285664. Its totient is φ = 242959200.

The previous prime is 501105151. The next prime is 501105169. The reversal of 501105165 is 561501105.

It is not a de Polignac number, because 501105165 - 2¹⁴ = 501088781 is a prime.

It is a super-2 number, since 2×501105165² = 502212772779354450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501105169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136231 + ... + 139860.

It is an arithmetic number, because the mean of its divisors is an integer number (36720236).

Almost surely, 2^501105165 is an apocalyptic number.

501105165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

501105165 is a deficient number, since it is larger than the sum of its proper divisors (380180499).

501105165 is a wasteful number, since it uses less digits than its factorization.

501105165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276121 (or 276110 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 501105165 is about 22385.3783751805. The cubic root of 501105165 is about 794.2848756880.

The spelling of 501105165 in words is "five hundred one million, one hundred five thousand, one hundred sixty-five".