71624216316 has 12 divisors (see below), whose sum is σ = 167123171432. Its totient is φ = 23874738768.

The previous prime is 71624216239. The next prime is 71624216317. The reversal of 71624216316 is 61361242617.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×71624216316² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71624216317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2984342335 + ... + 2984342358.

Almost surely, 2^71624216316 is an apocalyptic number.

It is an amenable number.

71624216316 is an abundant number, since it is smaller than the sum of its proper divisors (95498955116).

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

71624216316 is a wasteful number, since it uses less digits than its factorization.

71624216316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5968684700 (or 5968684698 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The spelling of 71624216316 in words is "seventy-one billion, six hundred twenty-four million, two hundred sixteen thousand, three hundred sixteen".