6109894656 has 432 divisors, whose sum is σ = 19873264320. Its totient is φ = 1804861440.

The previous prime is 6109894649. The next prime is 6109894669. The reversal of 6109894656 is 6564989016.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 165132270 + ... + 165132306.

Almost surely, 2^6109894656 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 6109894656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9936632160).

6109894656 is an abundant number, since it is smaller than the sum of its proper divisors (13763369664).

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

6109894656 is a wasteful number, since it uses less digits than its factorization.

6109894656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 6109894656 is about 78165.8151367975. The cubic root of 6109894656 is about 1828.1475332888.

The spelling of 6109894656 in words is "six billion, one hundred nine million, eight hundred ninety-four thousand, six hundred fifty-six".