6144653568 has 72 divisors (see below), whose sum is σ = 16522535008. Its totient is φ = 2027077632.

The previous prime is 6144653531. The next prime is 6144653609. The reversal of 6144653568 is 8653564416.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33255 + ... + 115737.

Almost surely, 2^6144653568 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 6144653568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8261267504).

6144653568 is an abundant number, since it is smaller than the sum of its proper divisors (10377881440).

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

6144653568 is an equidigital number, since it uses as much as digits as its factorization.

6144653568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82599 (or 82585 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The square root of 6144653568 is about 78387.8406897396. The cubic root of 6144653568 is about 1831.6077292374.

The spelling of 6144653568 in words is "six billion, one hundred forty-four million, six hundred fifty-three thousand, five hundred sixty-eight".