27241666851 has 32 divisors (see below), whose sum is σ = 42455881728. Its totient is φ = 15213340800.

The previous prime is 27241666811. The next prime is 27241666873. The reversal of 27241666851 is 15866614272.

It is not a de Polignac number, because 27241666851 - 2¹⁹ = 27241142563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27241666851.

It is not an unprimeable number, because it can be changed into a prime (27241666801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672201 + ... + 711573.

It is an arithmetic number, because the mean of its divisors is an integer number (1326746304).

Almost surely, 2^27241666851 is an apocalyptic number.

27241666851 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27241666851 is a deficient number, since it is larger than the sum of its proper divisors (15214214877).

27241666851 is a wasteful number, since it uses less digits than its factorization.

27241666851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40131.

The product of its digits is 967680, while the sum is 48.

The spelling of 27241666851 in words is "twenty-seven billion, two hundred forty-one million, six hundred sixty-six thousand, eight hundred fifty-one".