27250216621 has 16 divisors (see below), whose sum is σ = 29051610624. Its totient is φ = 25500651264.

The previous prime is 27250216603. The next prime is 27250216627. The reversal of 27250216621 is 12661205272.

It is not a de Polignac number, because 27250216621 - 2⁹ = 27250216109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27250216627) 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, 5031511 + ... + 5036923.

It is an arithmetic number, because the mean of its divisors is an integer number (1815725664).

Almost surely, 2^27250216621 is an apocalyptic number.

It is an amenable number.

27250216621 is a deficient number, since it is larger than the sum of its proper divisors (1801394003).

27250216621 is a wasteful number, since it uses less digits than its factorization.

27250216621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10140.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 27250216621 in words is "twenty-seven billion, two hundred fifty million, two hundred sixteen thousand, six hundred twenty-one".