6651451296 has 288 divisors, whose sum is σ = 23758056000. Its totient is φ = 1800175104.

The previous prime is 6651451267. The next prime is 6651451321. The reversal of 6651451296 is 6921541566.

6651451296 is a `hidden beast` number, since 6 + 6 + 514 + 5 + 129 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 800250 + ... + 808518.

It is an arithmetic number, because the mean of its divisors is an integer number (82493250).

Almost surely, 2^6651451296 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 6651451296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11879028000).

6651451296 is an abundant number, since it is smaller than the sum of its proper divisors (17106604704).

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

6651451296 is a wasteful number, since it uses less digits than its factorization.

6651451296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8321 (or 8300 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 6651451296 is about 81556.4301327615. The cubic root of 6651451296 is about 1880.6391458953.

The spelling of 6651451296 in words is "six billion, six hundred fifty-one million, four hundred fifty-one thousand, two hundred ninety-six".