11615520166 has 8 divisors (see below), whose sum is σ = 17424819720. Its totient is φ = 5807246928.

The previous prime is 11615520083. The next prime is 11615520167. The reversal of 11615520166 is 66102551611.

11615520166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11615520167) 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 3 ways as a sum of consecutive naturals, for example, 227631 + ... + 273946.

It is an arithmetic number, because the mean of its divisors is an integer number (2178102465).

Almost surely, 2^11615520166 is an apocalyptic number.

11615520166 is a deficient number, since it is larger than the sum of its proper divisors (5809299554).

11615520166 is a wasteful number, since it uses less digits than its factorization.

11615520166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513158.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 11615520166 in words is "eleven billion, six hundred fifteen million, five hundred twenty thousand, one hundred sixty-six".