10165555505 has 32 divisors (see below), whose sum is σ = 14433168384. Its totient is φ = 6728818176.

The previous prime is 10165555483. The next prime is 10165555507. The reversal of 10165555505 is 50555556101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10165555505 - 2¹⁶ = 10165489969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10165555507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77759 + ... + 162411.

It is an arithmetic number, because the mean of its divisors is an integer number (451036512).

Almost surely, 2^10165555505 is an apocalyptic number.

It is an amenable number.

10165555505 is a deficient number, since it is larger than the sum of its proper divisors (4267612879).

10165555505 is an equidigital number, since it uses as much as digits as its factorization.

10165555505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84785.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 10165555505 in words is "ten billion, one hundred sixty-five million, five hundred fifty-five thousand, five hundred five".