27143165464 has 48 divisors (see below), whose sum is σ = 56872708200. Its totient is φ = 12100955904.

The previous prime is 27143165453. The next prime is 27143165519. The reversal of 27143165464 is 46456134172.

It is a self number, because there is not a number n which added to its sum of digits gives 27143165464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227334 + ... + 325525.

Almost surely, 2^27143165464 is an apocalyptic number.

It is an amenable number.

27143165464 is an abundant number, since it is smaller than the sum of its proper divisors (29729542736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27143165464 is a wasteful number, since it uses less digits than its factorization.

27143165464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552920 (or 552897 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The spelling of 27143165464 in words is "twenty-seven billion, one hundred forty-three million, one hundred sixty-five thousand, four hundred sixty-four".