71650473016 has 8 divisors (see below), whose sum is σ = 134344636920. Its totient is φ = 35825236504.

The previous prime is 71650473007. The next prime is 71650473047. The reversal of 71650473016 is 61037405617.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 71650473016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4478154556 + ... + 4478154571.

It is an arithmetic number, because the mean of its divisors is an integer number (16793079615).

Almost surely, 2^71650473016 is an apocalyptic number.

It is an amenable number.

71650473016 is a deficient number, since it is larger than the sum of its proper divisors (62694163904).

71650473016 is a wasteful number, since it uses less digits than its factorization.

71650473016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8956309133 (or 8956309129 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 71650473016 in words is "seventy-one billion, six hundred fifty million, four hundred seventy-three thousand, sixteen".