71228201016 has 64 divisors (see below), whose sum is σ = 203573721600. Its totient is φ = 20344457088.

The previous prime is 71228201003. The next prime is 71228201021. The reversal of 71228201016 is 61010282217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476821 + ... + 608123.

It is an arithmetic number, because the mean of its divisors is an integer number (3180839400).

Almost surely, 2^71228201016 is an apocalyptic number.

It is an amenable number.

71228201016 is an abundant number, since it is smaller than the sum of its proper divisors (132345520584).

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

71228201016 is a wasteful number, since it uses less digits than its factorization.

71228201016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134548 (or 134544 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The spelling of 71228201016 in words is "seventy-one billion, two hundred twenty-eight million, two hundred one thousand, sixteen".