71166855244 has 36 divisors (see below), whose sum is σ = 126658898184. Its totient is φ = 34988308992.

The previous prime is 71166855241. The next prime is 71166855257. The reversal of 71166855244 is 44255866117.

It is not an unprimeable number, because it can be changed into a prime (71166855241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7178539 + ... + 7188445.

Almost surely, 2^71166855244 is an apocalyptic number.

It is an amenable number.

71166855244 is a deficient number, since it is larger than the sum of its proper divisors (55492042940).

71166855244 is a wasteful number, since it uses less digits than its factorization.

71166855244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10394 (or 10319 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 49.

The spelling of 71166855244 in words is "seventy-one billion, one hundred sixty-six million, eight hundred fifty-five thousand, two hundred forty-four".