11166501516 has 12 divisors (see below), whose sum is σ = 26055170232. Its totient is φ = 3722167168.

The previous prime is 11166501509. The next prime is 11166501517. The reversal of 11166501516 is 61510566111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×11166501516² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11166501517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465270885 + ... + 465270908.

It is an arithmetic number, because the mean of its divisors is an integer number (2171264186).

Almost surely, 2^11166501516 is an apocalyptic number.

It is an amenable number.

11166501516 is an abundant number, since it is smaller than the sum of its proper divisors (14888668716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11166501516 is a wasteful number, since it uses less digits than its factorization.

11166501516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930541800 (or 930541798 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 11166501516 in words is "eleven billion, one hundred sixty-six million, five hundred one thousand, five hundred sixteen".