6578053644 has 144 divisors (see below), whose sum is σ = 17135949600. Its totient is φ = 1954713600.

The previous prime is 6578053609. The next prime is 6578053679. The reversal of 6578053644 is 4463508756.

It is an interprime number because it is at equal distance from previous prime (6578053609) and next prime (6578053679).

It is a junction number, because it is equal to n+sod(n) for n = 6578053593 and 6578053602.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60349062 + ... + 60349170.

It is an arithmetic number, because the mean of its divisors is an integer number (118999650).

Almost surely, 2^6578053644 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 6578053644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8567974800).

6578053644 is an abundant number, since it is smaller than the sum of its proper divisors (10557895956).

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

6578053644 is a wasteful number, since it uses less digits than its factorization.

6578053644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The square root of 6578053644 is about 81105.2010909288. The cubic root of 6578053644 is about 1873.6960314632.

The spelling of 6578053644 in words is "six billion, five hundred seventy-eight million, fifty-three thousand, six hundred forty-four".