71116616 has 16 divisors (see below), whose sum is σ = 134144640. Its totient is φ = 35344720.

The previous prime is 71116597. The next prime is 71116631. The reversal of 71116616 is 61661117.

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, 25280 + ... + 27951.

It is an arithmetic number, because the mean of its divisors is an integer number (8384040).

Almost surely, 2^71116616 is an apocalyptic number.

It is an amenable number.

71116616 is a deficient number, since it is larger than the sum of its proper divisors (63028024).

71116616 is a wasteful number, since it uses less digits than its factorization.

71116616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53404 (or 53400 counting only the distinct ones).

The product of its digits is 1512, while the sum is 29.

The square root of 71116616 is about 8433.0668205582. The cubic root of 71116616 is about 414.3083577907.

The spelling of 71116616 in words is "seventy-one million, one hundred sixteen thousand, six hundred sixteen".