27260161421 has 8 divisors (see below), whose sum is σ = 27366653184. Its totient is φ = 27153830880.

The previous prime is 27260161387. The next prime is 27260161429. The reversal of 27260161421 is 12416106272.

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

It is a cyclic number.

It is not a de Polignac number, because 27260161421 - 2¹⁴ = 27260145037 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 (27260161429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304241 + ... + 383513.

It is an arithmetic number, because the mean of its divisors is an integer number (3420831648).

Almost surely, 2^27260161421 is an apocalyptic number.

It is an amenable number.

27260161421 is a deficient number, since it is larger than the sum of its proper divisors (106491763).

27260161421 is an equidigital number, since it uses as much as digits as its factorization.

27260161421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80611.

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 27260161421 its reverse (12416106272), we get a palindrome (39676267693).

The spelling of 27260161421 in words is "twenty-seven billion, two hundred sixty million, one hundred sixty-one thousand, four hundred twenty-one".