6631552436 has 12 divisors (see below), whose sum is σ = 11643020928. Its totient is φ = 3304975032.

The previous prime is 6631552427. The next prime is 6631552481. The reversal of 6631552436 is 6342551366.

It is a super-2 number, since 2×6631552436² = 87954975422835068192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6631552393 and 6631552402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2698916 + ... + 2701371.

It is an arithmetic number, because the mean of its divisors is an integer number (970251744).

Almost surely, 2^6631552436 is an apocalyptic number.

It is an amenable number.

6631552436 is a deficient number, since it is larger than the sum of its proper divisors (5011468492).

6631552436 is a wasteful number, since it uses less digits than its factorization.

6631552436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400598 (or 5400596 counting only the distinct ones).

The product of its digits is 388800, while the sum is 41.

The square root of 6631552436 is about 81434.3443271940. The cubic root of 6631552436 is about 1878.7618635771.

The spelling of 6631552436 in words is "six billion, six hundred thirty-one million, five hundred fifty-two thousand, four hundred thirty-six".