11164817990 has 32 divisors (see below), whose sum is σ = 20824404480. Its totient is φ = 4306839264.

The previous prime is 11164817933. The next prime is 11164818001. The reversal of 11164817990 is 9971846111.

It is a happy number.

11164817990 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 an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 130364 + ... + 198303.

It is an arithmetic number, because the mean of its divisors is an integer number (650762640).

Almost surely, 2^11164817990 is an apocalyptic number.

11164817990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11164817990 is a deficient number, since it is larger than the sum of its proper divisors (9659586490).

11164817990 is a wasteful number, since it uses less digits than its factorization.

11164817990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328796.

The product of its (nonzero) digits is 108864, while the sum is 47.

The spelling of 11164817990 in words is "eleven billion, one hundred sixty-four million, eight hundred seventeen thousand, nine hundred ninety".