71696057518158 has 32 divisors (see below), whose sum is σ = 153497357769600. Its totient is φ = 22257116872416.

The previous prime is 71696057518121. The next prime is 71696057518171. The reversal of 71696057518158 is 85181575069617.

It is a junction number, because it is equal to n+sod(n) for n = 71696057518092 and 71696057518101.

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, 5329762641 + ... + 5329776092.

It is an arithmetic number, because the mean of its divisors is an integer number (4796792430300).

Almost surely, 2^{71696057518158} is an apocalyptic number.

71696057518158 is an abundant number, since it is smaller than the sum of its proper divisors (81801300251442).

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

71696057518158 is a wasteful number, since it uses less digits than its factorization.

71696057518158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10659538816.

The product of its (nonzero) digits is 127008000, while the sum is 69.

The spelling of 71696057518158 in words is "seventy-one trillion, six hundred ninety-six billion, fifty-seven million, five hundred eighteen thousand, one hundred fifty-eight".