27154541564 has 12 divisors (see below), whose sum is σ = 47795133624. Its totient is φ = 13498789104.

The previous prime is 27154541539. The next prime is 27154541611. The reversal of 27154541564 is 46514545172.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19619642 + ... + 19621025.

It is an arithmetic number, because the mean of its divisors is an integer number (3982927802).

Almost surely, 2^27154541564 is an apocalyptic number.

It is an amenable number.

27154541564 is a deficient number, since it is larger than the sum of its proper divisors (20640592060).

27154541564 is a wasteful number, since it uses less digits than its factorization.

27154541564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39240844 (or 39240842 counting only the distinct ones).

The product of its digits is 672000, while the sum is 44.

The spelling of 27154541564 in words is "twenty-seven billion, one hundred fifty-four million, five hundred forty-one thousand, five hundred sixty-four".