11664404446 has 32 divisors (see below), whose sum is σ = 18936737280. Its totient is φ = 5367586176.

The previous prime is 11664404413. The next prime is 11664404461. The reversal of 11664404446 is 64440446611.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11664404399 and 11664404408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2328981 + ... + 2333983.

It is an arithmetic number, because the mean of its divisors is an integer number (591773040).

Almost surely, 2^11664404446 is an apocalyptic number.

11664404446 is a deficient number, since it is larger than the sum of its proper divisors (7272332834).

11664404446 is a wasteful number, since it uses less digits than its factorization.

11664404446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6528.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 11664404446 in words is "eleven billion, six hundred sixty-four million, four hundred four thousand, four hundred forty-six".