6650151065557 has 32 divisors (see below), whose sum is σ = 6899162830560. Its totient is φ = 6405665280000.

The previous prime is 6650151065491. The next prime is 6650151065647. The reversal of 6650151065557 is 7555601510566.

It can be written as a sum of positive squares in 16 ways, for example, as 2498394358161 + 4151756707396 = 1580631^2 + 2037586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6650151065557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6650151060557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3864119457 + ... + 3864121177.

It is an arithmetic number, because the mean of its divisors is an integer number (215598838455).

Almost surely, 2^{6650151065557} is an apocalyptic number.

It is an amenable number.

6650151065557 is a deficient number, since it is larger than the sum of its proper divisors (249011765003).

6650151065557 is a wasteful number, since it uses less digits than its factorization.

6650151065557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945.

The product of its (nonzero) digits is 4725000, while the sum is 52.

The spelling of 6650151065557 in words is "six trillion, six hundred fifty billion, one hundred fifty-one million, sixty-five thousand, five hundred fifty-seven".