71143163104 has 96 divisors (see below), whose sum is σ = 155064321216. Its totient is φ = 31916851200.

The previous prime is 71143163081. The next prime is 71143163107. The reversal of 71143163104 is 40136134117.

It is a happy number.

It is a super-2 number, since 2×71143163104² (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 (71143163107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24641149 + ... + 24644035.

It is an arithmetic number, because the mean of its divisors is an integer number (1615253346).

Almost surely, 2^71143163104 is an apocalyptic number.

71143163104 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71143163104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77532160608).

71143163104 is an abundant number, since it is smaller than the sum of its proper divisors (83921158112).

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

71143163104 is a wasteful number, since it uses less digits than its factorization.

71143163104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548 (or 4540 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 71143163104 in words is "seventy-one billion, one hundred forty-three million, one hundred sixty-three thousand, one hundred four".