71610407191012 has 24 divisors (see below), whose sum is σ = 127414140875840. Its totient is φ = 35206749718560.

The previous prime is 71610407191007. The next prime is 71610407191027. The reversal of 71610407191012 is 21019170401617.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47097312 + ... + 48594007.

Almost surely, 2^{71610407191012} is an apocalyptic number.

It is an amenable number.

71610407191012 is a deficient number, since it is larger than the sum of its proper divisors (55803733684828).

71610407191012 is a wasteful number, since it uses less digits than its factorization.

71610407191012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95694451 (or 95694449 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 40.

Adding to 71610407191012 its reverse (21019170401617), we get a palindrome (92629577592629).

The spelling of 71610407191012 in words is "seventy-one trillion, six hundred ten billion, four hundred seven million, one hundred ninety-one thousand, twelve".