6331663536 has 80 divisors (see below), whose sum is σ = 17854238208. Its totient is φ = 1917561600.

The previous prime is 6331663469. The next prime is 6331663553. The reversal of 6331663536 is 6353661336.

It is a super-2 number, since 2×6331663536² = 80179926266224046592, which contains 22 as substring.

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, 1538121 + ... + 1542231.

Almost surely, 2^6331663536 is an apocalyptic number.

6331663536 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6331663536 is an abundant number, since it is smaller than the sum of its proper divisors (11522574672).

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

6331663536 is a wasteful number, since it uses less digits than its factorization.

6331663536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7050 (or 7044 counting only the distinct ones).

The product of its digits is 524880, while the sum is 42.

The square root of 6331663536 is about 79571.7508667492. The cubic root of 6331663536 is about 1850.0037531942.

The spelling of 6331663536 in words is "six billion, three hundred thirty-one million, six hundred sixty-three thousand, five hundred thirty-six".