6551986552 has 16 divisors (see below), whose sum is σ = 12285860400. Its totient is φ = 3275757120.

The previous prime is 6551986547. The next prime is 6551986561. The reversal of 6551986552 is 2556891556.

It is a self number, because there is not a number n which added to its sum of digits gives 6551986552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159852 + ... + 196612.

It is an arithmetic number, because the mean of its divisors is an integer number (767866275).

Almost surely, 2^6551986552 is an apocalyptic number.

It is an amenable number.

6551986552 is a deficient number, since it is larger than the sum of its proper divisors (5733873848).

6551986552 is a wasteful number, since it uses less digits than its factorization.

6551986552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59046 (or 59042 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 52.

The square root of 6551986552 is about 80944.3423100095. The cubic root of 6551986552 is about 1871.2177672419.

The spelling of 6551986552 in words is "six billion, five hundred fifty-one million, nine hundred eighty-six thousand, five hundred fifty-two".