10516155165 has 24 divisors (see below), whose sum is σ = 18237880440. Its totient is φ = 5605576704.

The previous prime is 10516155161. The next prime is 10516155173. The reversal of 10516155165 is 56155161501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 68657796 + 10447497369 = 8286^2 + 102213^2 .

It is not a de Polignac number, because 10516155165 - 2² = 10516155161 is a prime.

It is a super-2 number, since 2×10516155165² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10516155161) 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, 21901 + ... + 146669.

It is an arithmetic number, because the mean of its divisors is an integer number (759911685).

Almost surely, 2^10516155165 is an apocalyptic number.

10516155165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10516155165 is a deficient number, since it is larger than the sum of its proper divisors (7721725275).

10516155165 is a wasteful number, since it uses less digits than its factorization.

10516155165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126653 (or 126650 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 10516155165 in words is "ten billion, five hundred sixteen million, one hundred fifty-five thousand, one hundred sixty-five".