71178165132 has 48 divisors (see below), whose sum is σ = 167400946944. Its totient is φ = 23537800000.

The previous prime is 71178165073. The next prime is 71178165139. The reversal of 71178165132 is 23156187117.

It is not an unprimeable number, because it can be changed into a prime (71178165139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8643457 + ... + 8651687.

It is an arithmetic number, because the mean of its divisors is an integer number (3487519728).

Almost surely, 2^71178165132 is an apocalyptic number.

It is an amenable number.

71178165132 is an abundant number, since it is smaller than the sum of its proper divisors (96222781812).

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

71178165132 is a wasteful number, since it uses less digits than its factorization.

71178165132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13870 (or 13868 counting only the distinct ones).

The product of its digits is 70560, while the sum is 42.

The spelling of 71178165132 in words is "seventy-one billion, one hundred seventy-eight million, one hundred sixty-five thousand, one hundred thirty-two".