11659999146 has 32 divisors (see below), whose sum is σ = 23730167808. Its totient is φ = 3818609520.

The previous prime is 11659999123. The next prime is 11659999177. The reversal of 11659999146 is 64199995611.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11659999146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116101 + ... + 191831.

It is an arithmetic number, because the mean of its divisors is an integer number (741567744).

Almost surely, 2^11659999146 is an apocalyptic number.

11659999146 is an abundant number, since it is smaller than the sum of its proper divisors (12070168662).

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

11659999146 is a wasteful number, since it uses less digits than its factorization.

11659999146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76186.

The product of its digits is 4723920, while the sum is 60.

The spelling of 11659999146 in words is "eleven billion, six hundred fifty-nine million, nine hundred ninety-nine thousand, one hundred forty-six".