20251913451166 has 8 divisors (see below), whose sum is σ = 30678641168904. Its totient is φ = 10025699728200.

The previous prime is 20251913451127. The next prime is 20251913451167. The reversal of 20251913451166 is 66115431915202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20251913451167) 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 3 ways as a sum of consecutive naturals, for example, 50128498440 + ... + 50128498843.

It is an arithmetic number, because the mean of its divisors is an integer number (3834830146113).

Almost surely, 2^{20251913451166} is an apocalyptic number.

20251913451166 is a deficient number, since it is larger than the sum of its proper divisors (10426727717738).

20251913451166 is a wasteful number, since it uses less digits than its factorization.

20251913451166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100256997386.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 20251913451166 in words is "twenty trillion, two hundred fifty-one billion, nine hundred thirteen million, four hundred fifty-one thousand, one hundred sixty-six".