27147162544 has 20 divisors (see below), whose sum is σ = 52658885320. Its totient is φ = 13557772800.

The previous prime is 27147162517. The next prime is 27147162557. The reversal of 27147162544 is 44526174172.

It is a self number, because there is not a number n which added to its sum of digits gives 27147162544.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973857 + ... + 1001344.

It is an arithmetic number, because the mean of its divisors is an integer number (2632944266).

Almost surely, 2^27147162544 is an apocalyptic number.

It is an amenable number.

27147162544 is a deficient number, since it is larger than the sum of its proper divisors (25511722776).

27147162544 is a wasteful number, since it uses less digits than its factorization.

27147162544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976068 (or 1976062 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The spelling of 27147162544 in words is "twenty-seven billion, one hundred forty-seven million, one hundred sixty-two thousand, five hundred forty-four".