11343647916 has 120 divisors (see below), whose sum is σ = 29970790080. Its totient is φ = 3741134688.

The previous prime is 11343647897. The next prime is 11343647927. The reversal of 11343647916 is 61974634311.

11343647916 is a `hidden beast` number, since 1 + 134 + 36 + 479 + 16 = 666.

It is a super-2 number, since 2×11343647916² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (326592) is a multiple of the sum of its prime divisors (1134).

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 39 ways as a sum of consecutive naturals, for example, 18325455 + ... + 18326073.

It is an arithmetic number, because the mean of its divisors is an integer number (249756584).

Almost surely, 2^11343647916 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 11343647916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14985395040).

11343647916 is an abundant number, since it is smaller than the sum of its proper divisors (18627142164).

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

11343647916 is a wasteful number, since it uses less digits than its factorization.

11343647916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1134 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The spelling of 11343647916 in words is "eleven billion, three hundred forty-three million, six hundred forty-seven thousand, nine hundred sixteen".