6356783616 has 160 divisors (see below), whose sum is σ = 18511815168. Its totient is φ = 1929707520.

The previous prime is 6356783603. The next prime is 6356783681. The reversal of 6356783616 is 6163876536.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805546 + ... + 813398.

Almost surely, 2^6356783616 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 6356783616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9255907584).

6356783616 is an abundant number, since it is smaller than the sum of its proper divisors (12155031552).

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

6356783616 is a wasteful number, since it uses less digits than its factorization.

6356783616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7922 (or 7906 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 51.

The square root of 6356783616 is about 79729.4400833218. The cubic root of 6356783616 is about 1852.4470773708.

The spelling of 6356783616 in words is "six billion, three hundred fifty-six million, seven hundred eighty-three thousand, six hundred sixteen".