27951649736016 has 20 divisors (see below), whose sum is σ = 72208428484832. Its totient is φ = 9317216578656.

The previous prime is 27951649735909. The next prime is 27951649736063. The reversal of 27951649736016 is 61063794615972.

It is a congruent number.

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, 291163018036 + ... + 291163018131.

Almost surely, 2^{27951649736016} is an apocalyptic number.

It is an amenable number.

27951649736016 is an abundant number, since it is smaller than the sum of its proper divisors (44256778748816).

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

27951649736016 is a wasteful number, since it uses less digits than its factorization.

27951649736016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582326036178 (or 582326036172 counting only the distinct ones).

The product of its (nonzero) digits is 102876480, while the sum is 66.

The spelling of 27951649736016 in words is "twenty-seven trillion, nine hundred fifty-one billion, six hundred forty-nine million, seven hundred thirty-six thousand, sixteen".