6551439712272 has 240 divisors, whose sum is σ = 23294009310208. Its totient is φ = 1672114959360.

The previous prime is 6551439712271. The next prime is 6551439712273. The reversal of 6551439712272 is 2722179341556.

6551439712272 is a `hidden beast` number, since 6 + 5 + 51 + 439 + 71 + 22 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (6551439712271) and next prime (6551439712273).

It is a super-2 number, since 2×6551439712272² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6551439712271) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 7657603 + ... + 8470050.

Almost surely, 2^{6551439712272} is an apocalyptic number.

6551439712272 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6551439712272 is an abundant number, since it is smaller than the sum of its proper divisors (16742569597936).

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

6551439712272 is a wasteful number, since it uses less digits than its factorization.

6551439712272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16127718 (or 16127709 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 6551439712272 in words is "six trillion, five hundred fifty-one billion, four hundred thirty-nine million, seven hundred twelve thousand, two hundred seventy-two".