6551347272 has 32 divisors (see below), whose sum is σ = 16380420000. Its totient is φ = 2183508864.

The previous prime is 6551347267. The next prime is 6551347277. The reversal of 6551347272 is 2727431556.

It is an interprime number because it is at equal distance from previous prime (6551347267) and next prime (6551347277).

It is not an unprimeable number, because it can be changed into a prime (6551347277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293979 + ... + 315477.

It is an arithmetic number, because the mean of its divisors is an integer number (511888125).

Almost surely, 2^6551347272 is an apocalyptic number.

It is an amenable number.

6551347272 is an abundant number, since it is smaller than the sum of its proper divisors (9829072728).

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

6551347272 is a wasteful number, since it uses less digits than its factorization.

6551347272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34205 (or 34201 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 6551347272 is about 80940.3933274357. The cubic root of 6551347272 is about 1871.1569067689.

The spelling of 6551347272 in words is "six billion, five hundred fifty-one million, three hundred forty-seven thousand, two hundred seventy-two".