6552161280 has 880 divisors, whose sum is σ = 28010427456. Its totient is φ = 1433272320.

The previous prime is 6552161269. The next prime is 6552161281. The reversal of 6552161280 is 821612556.

6552161280 is a `hidden beast` number, since 6 + 5 + 521 + 6 + 128 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6552161281) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 107412450 + ... + 107412510.

Almost surely, 2^6552161280 is an apocalyptic number.

6552161280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6552161280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14005213728).

6552161280 is an abundant number, since it is smaller than the sum of its proper divisors (21458266176).

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

6552161280 is a wasteful number, since it uses less digits than its factorization.

6552161280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 6552161280 is about 80945.4216123432. The cubic root of 6552161280 is about 1871.2344009366.

The spelling of 6552161280 in words is "six billion, five hundred fifty-two million, one hundred sixty-one thousand, two hundred eighty".