27195533916 has 24 divisors (see below), whose sum is σ = 63592139520. Its totient is φ = 9045764592.

The previous prime is 27195533909. The next prime is 27195533917. The reversal of 27195533916 is 61933559172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27195533917) 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, 2420836 + ... + 2432043.

It is an arithmetic number, because the mean of its divisors is an integer number (2649672480).

Almost surely, 2^27195533916 is an apocalyptic number.

It is an amenable number.

27195533916 is an abundant number, since it is smaller than the sum of its proper divisors (36396605604).

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

27195533916 is a wasteful number, since it uses less digits than its factorization.

27195533916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853353 (or 4853351 counting only the distinct ones).

The product of its digits is 1530900, while the sum is 51.

The spelling of 27195533916 in words is "twenty-seven billion, one hundred ninety-five million, five hundred thirty-three thousand, nine hundred sixteen".