11166642928 has 120 divisors (see below), whose sum is σ = 26472769920. Its totient is φ = 4543418880.

The previous prime is 11166642923. The next prime is 11166642973. The reversal of 11166642928 is 82924666111.

It is a happy number.

11166642928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11166642923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1283778 + ... + 1292446.

It is an arithmetic number, because the mean of its divisors is an integer number (220606416).

Almost surely, 2^11166642928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11166642928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13236384960).

11166642928 is an abundant number, since it is smaller than the sum of its proper divisors (15306126992).

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

11166642928 is a wasteful number, since it uses less digits than its factorization.

11166642928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8775 (or 8762 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The spelling of 11166642928 in words is "eleven billion, one hundred sixty-six million, six hundred forty-two thousand, nine hundred twenty-eight".