5981800356 has 72 divisors (see below), whose sum is σ = 17648467200. Its totient is φ = 1672718976.

The previous prime is 5981800351. The next prime is 5981800367. The reversal of 5981800356 is 6530081895.

5981800356 is a `hidden beast` number, since 598 + 1 + 8 + 0 + 0 + 3 + 56 = 666.

It is not an unprimeable number, because it can be changed into a prime (5981800351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240681 + ... + 264368.

It is an arithmetic number, because the mean of its divisors is an integer number (245117600).

Almost surely, 2^5981800356 is an apocalyptic number.

It is an amenable number.

5981800356 is an abundant number, since it is smaller than the sum of its proper divisors (11666666844).

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

5981800356 is a wasteful number, since it uses less digits than its factorization.

5981800356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505113 (or 505108 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 5981800356 is about 77342.0995060258. The cubic root of 5981800356 is about 1815.2814571596.

The spelling of 5981800356 in words is "five billion, nine hundred eighty-one million, eight hundred thousand, three hundred fifty-six".