3111666448 has 80 divisors (see below), whose sum is σ = 6825848832. Its totient is φ = 1361808000.

The previous prime is 3111666421. The next prime is 3111666463. The reversal of 3111666448 is 8446661113.

It is a self number, because there is not a number n which added to its sum of digits gives 3111666448.

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 15 ways as a sum of consecutive naturals, for example, 534433 + ... + 540223.

Almost surely, 2^3111666448 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 3111666448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3412924416).

3111666448 is an abundant number, since it is smaller than the sum of its proper divisors (3714182384).

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

3111666448 is a wasteful number, since it uses less digits than its factorization.

3111666448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5924 (or 5918 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 3111666448 is about 55782.3130391704. The cubic root of 3111666448 is about 1459.9265691473.

The spelling of 3111666448 in words is "three billion, one hundred eleven million, six hundred sixty-six thousand, four hundred forty-eight".