6546651552 has 384 divisors, whose sum is σ = 23979110400. Its totient is φ = 1694297088.

The previous prime is 6546651523. The next prime is 6546651563. The reversal of 6546651552 is 2551566456.

6546651552 is a `hidden beast` number, since 6 + 5 + 46 + 6 + 51 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6546651498 and 6546651507.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2641738 + ... + 2644214.

It is an arithmetic number, because the mean of its divisors is an integer number (62445600).

Almost surely, 2^6546651552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6546651552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11989555200).

6546651552 is an abundant number, since it is smaller than the sum of its proper divisors (17432458848).

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

6546651552 is a wasteful number, since it uses less digits than its factorization.

6546651552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545 (or 2531 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

The square root of 6546651552 is about 80911.3808558475. The cubic root of 6546651552 is about 1870.7097453620.

The spelling of 6546651552 in words is "six billion, five hundred forty-six million, six hundred fifty-one thousand, five hundred fifty-two".