6651548499 has 8 divisors (see below), whose sum is σ = 8880003520. Its totient is φ = 4428729576.

The previous prime is 6651548483. The next prime is 6651548539. The reversal of 6651548499 is 9948451566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6651548499 - 2⁴ = 6651548483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6651548479) 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 7 ways as a sum of consecutive naturals, for example, 1406269 + ... + 1410990.

It is an arithmetic number, because the mean of its divisors is an integer number (1110000440).

Almost surely, 2^6651548499 is an apocalyptic number.

6651548499 is a deficient number, since it is larger than the sum of its proper divisors (2228455021).

6651548499 is a wasteful number, since it uses less digits than its factorization.

6651548499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818049.

The product of its digits is 9331200, while the sum is 57.

The square root of 6651548499 is about 81557.0260553927. The cubic root of 6651548499 is about 1880.6483069474.

The spelling of 6651548499 in words is "six billion, six hundred fifty-one million, five hundred forty-eight thousand, four hundred ninety-nine".