6651215070 has 32 divisors (see below), whose sum is σ = 15972148512. Its totient is φ = 1772631552.

The previous prime is 6651215063. The next prime is 6651215071. The reversal of 6651215070 is 705121566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6651215071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10647 + ... + 115826.

It is an arithmetic number, because the mean of its divisors is an integer number (499129641).

Almost surely, 2^6651215070 is an apocalyptic number.

6651215070 is an abundant number, since it is smaller than the sum of its proper divisors (9320933442).

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

6651215070 is a wasteful number, since it uses less digits than its factorization.

6651215070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128236.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 6651215070 is about 81554.9818833896. The cubic root of 6651215070 is about 1880.6168820262.

The spelling of 6651215070 in words is "six billion, six hundred fifty-one million, two hundred fifteen thousand, seventy".