71616056430 has 24 divisors (see below), whose sum is σ = 171882053352. Its totient is φ = 19097224176.

The previous prime is 71616056429. The next prime is 71616056453. The reversal of 71616056430 is 3465061617.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1441341 + ... + 1490199.

It is an arithmetic number, because the mean of its divisors is an integer number (7161752223).

Almost surely, 2^71616056430 is an apocalyptic number.

71616056430 is an abundant number, since it is smaller than the sum of its proper divisors (100265996922).

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

71616056430 is an frugal number, since it uses more digits than its factorization.

71616056430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97728 (or 48869 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 71616056430 in words is "seventy-one billion, six hundred sixteen million, fifty-six thousand, four hundred thirty".