6119986464 has 144 divisors (see below), whose sum is σ = 18787204800. Its totient is φ = 1883954688.

The previous prime is 6119986459. The next prime is 6119986471. The reversal of 6119986464 is 4646899116.

It is a happy number.

6119986464 is a `hidden beast` number, since 6 + 11 + 99 + 86 + 464 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 6119986464.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176167 + ... + 208025.

It is an arithmetic number, because the mean of its divisors is an integer number (130466700).

Almost surely, 2^6119986464 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 6119986464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9393602400).

6119986464 is an abundant number, since it is smaller than the sum of its proper divisors (12667218336).

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

6119986464 is a wasteful number, since it uses less digits than its factorization.

6119986464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31927 (or 31916 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 6119986464 is about 78230.3423487332. The cubic root of 6119986464 is about 1829.1535061998.

The spelling of 6119986464 in words is "six billion, one hundred nineteen million, nine hundred eighty-six thousand, four hundred sixty-four".