11161056166 has 16 divisors (see below), whose sum is σ = 18048844800. Its totient is φ = 5145700608.

The previous prime is 11161056161. The next prime is 11161056167. The reversal of 11161056166 is 66165016111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11161056161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206886 + ... + 255193.

It is an arithmetic number, because the mean of its divisors is an integer number (1128052800).

Almost surely, 2^11161056166 is an apocalyptic number.

11161056166 is a deficient number, since it is larger than the sum of its proper divisors (6887788634).

11161056166 is a wasteful number, since it uses less digits than its factorization.

11161056166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463023.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 11161056166 in words is "eleven billion, one hundred sixty-one million, fifty-six thousand, one hundred sixty-six".