11916673408 has 32 divisors (see below), whose sum is σ = 23757888960. Its totient is φ = 5953909248.

The previous prime is 11916673397. The next prime is 11916673427. The reversal of 11916673408 is 80437661911.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×11916673408² (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 in 3 ways as a sum of consecutive naturals, for example, 141841 + ... + 209647.

It is an arithmetic number, because the mean of its divisors is an integer number (742434030).

Almost surely, 2^11916673408 is an apocalyptic number.

It is an amenable number.

11916673408 is a deficient number, since it is larger than the sum of its proper divisors (11841215552).

11916673408 is an equidigital number, since it uses as much as digits as its factorization.

11916673408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69194 (or 69182 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 11916673408 in words is "eleven billion, nine hundred sixteen million, six hundred seventy-three thousand, four hundred eight".