71116633240 has 32 divisors (see below), whose sum is σ = 160021409760. Its totient is φ = 28445056000.

The previous prime is 71116633163. The next prime is 71116633249. The reversal of 71116633240 is 4233661117.

It is a junction number, because it is equal to n+sod(n) for n = 71116633196 and 71116633205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71116633249) 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, 889725 + ... + 966355.

It is an arithmetic number, because the mean of its divisors is an integer number (5000669055).

Almost surely, 2^71116633240 is an apocalyptic number.

It is an amenable number.

71116633240 is an abundant number, since it is smaller than the sum of its proper divisors (88904776520).

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

71116633240 is a wasteful number, since it uses less digits than its factorization.

71116633240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99843 (or 99839 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 71116633240 in words is "seventy-one billion, one hundred sixteen million, six hundred thirty-three thousand, two hundred forty".