11912164704 has 144 divisors (see below), whose sum is σ = 36993260304. Its totient is φ = 3605990400.

The previous prime is 11912164699. The next prime is 11912164739. The reversal of 11912164704 is 40746121911.

11912164704 is a `hidden beast` number, since 1 + 1 + 9 + 1 + 2 + 1 + 647 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5362314 + ... + 5364534.

It is an arithmetic number, because the mean of its divisors is an integer number (256897641).

Almost surely, 2^11912164704 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 11912164704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18496630152).

11912164704 is an abundant number, since it is smaller than the sum of its proper divisors (25081095600).

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

11912164704 is a wasteful number, since it uses less digits than its factorization.

11912164704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941 (or 3930 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 11912164704 in words is "eleven billion, nine hundred twelve million, one hundred sixty-four thousand, seven hundred four".