27149060557 has 8 divisors (see below), whose sum is σ = 28032392960. Its totient is φ = 26266200480.

The previous prime is 27149060539. The next prime is 27149060579. The reversal of 27149060557 is 75506094172.

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 27149060557 - 2¹¹ = 27149058509 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 (27149060507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658 + ... + 233020.

It is an arithmetic number, because the mean of its divisors is an integer number (3504049120).

Almost surely, 2^27149060557 is an apocalyptic number.

It is an amenable number.

27149060557 is a deficient number, since it is larger than the sum of its proper divisors (883332403).

27149060557 is a wasteful number, since it uses less digits than its factorization.

27149060557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236163.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 27149060557 in words is "twenty-seven billion, one hundred forty-nine million, sixty thousand, five hundred fifty-seven".