27916120616 has 32 divisors (see below), whose sum is σ = 52649337960. Its totient is φ = 13876396032.

The previous prime is 27916120613. The next prime is 27916120619. The reversal of 27916120616 is 61602161972.

It is an interprime number because it is at equal distance from previous prime (27916120613) and next prime (27916120619).

It can be written as a sum of positive squares in 4 ways, for example, as 21917618116 + 5998502500 = 148046^2 + 77450^2 .

It is not an unprimeable number, because it can be changed into a prime (27916120613) 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, 2670536 + ... + 2680968.

Almost surely, 2^27916120616 is an apocalyptic number.

It is an amenable number.

27916120616 is a deficient number, since it is larger than the sum of its proper divisors (24733217344).

27916120616 is a wasteful number, since it uses less digits than its factorization.

27916120616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12365 (or 12361 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 27916120616 in words is "twenty-seven billion, nine hundred sixteen million, one hundred twenty thousand, six hundred sixteen".