6604166113251 has 24 divisors (see below), whose sum is σ = 10690283070720. Its totient is φ = 3551820427392.

The previous prime is 6604166113243. The next prime is 6604166113253. The reversal of 6604166113251 is 1523116614066.

It is not a de Polignac number, because 6604166113251 - 2³ = 6604166113243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6604166113253) 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 23 ways as a sum of consecutive naturals, for example, 544084071 + ... + 544096208.

It is an arithmetic number, because the mean of its divisors is an integer number (445428461280).

Almost surely, 2^{6604166113251} is an apocalyptic number.

6604166113251 is a deficient number, since it is larger than the sum of its proper divisors (4086116957469).

6604166113251 is a wasteful number, since it uses less digits than its factorization.

6604166113251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088180323 (or 1088180306 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 6604166113251 in words is "six trillion, six hundred four billion, one hundred sixty-six million, one hundred thirteen thousand, two hundred fifty-one".