11660285890 has 48 divisors (see below), whose sum is σ = 24322711104. Its totient is φ = 3990675200.

The previous prime is 11660285887. The next prime is 11660285893. The reversal of 11660285890 is 9858206611.

11660285890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11660285887) and next prime (11660285893).

It is a self number, because there is not a number n which added to its sum of digits gives 11660285890.

It is not an unprimeable number, because it can be changed into a prime (11660285893) 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, 151606 + ... + 215185.

It is an arithmetic number, because the mean of its divisors is an integer number (506723148).

Almost surely, 2^11660285890 is an apocalyptic number.

11660285890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11660285890 is an abundant number, since it is smaller than the sum of its proper divisors (12662425214).

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

11660285890 is a wasteful number, since it uses less digits than its factorization.

11660285890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366843 (or 366826 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 11660285890 in words is "eleven billion, six hundred sixty million, two hundred eighty-five thousand, eight hundred ninety".