5251250640166 has 32 divisors (see below), whose sum is σ = 7994240448768. Its totient is φ = 2586691554720.

The previous prime is 5251250640113. The next prime is 5251250640197. The reversal of 5251250640166 is 6610460521525.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 93588816 + ... + 93644908.

It is an arithmetic number, because the mean of its divisors is an integer number (249820014024).

Almost surely, 2^{5251250640166} is an apocalyptic number.

5251250640166 is a deficient number, since it is larger than the sum of its proper divisors (2742989808602).

5251250640166 is a wasteful number, since it uses less digits than its factorization.

5251250640166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57756.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 5251250640166 in words is "five trillion, two hundred fifty-one billion, two hundred fifty million, six hundred forty thousand, one hundred sixty-six".