11668764416 has 18 divisors (see below), whose sum is σ = 23291948232. Its totient is φ = 5834382080.

The previous prime is 11668764403. The next prime is 11668764427. The reversal of 11668764416 is 61446786611.

It is a super-2 number, since 2×11668764416² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22790300 + ... + 22790811.

It is an arithmetic number, because the mean of its divisors is an integer number (1293997124).

Almost surely, 2^11668764416 is an apocalyptic number.

11668764416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11668764416 is a deficient number, since it is larger than the sum of its proper divisors (11623183816).

11668764416 is an frugal number, since it uses more digits than its factorization.

11668764416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45581127 (or 45581113 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The spelling of 11668764416 in words is "eleven billion, six hundred sixty-eight million, seven hundred sixty-four thousand, four hundred sixteen".