71670188043 has 8 divisors (see below), whose sum is σ = 106178056400. Its totient is φ = 47780125344.

The previous prime is 71670188011. The next prime is 71670188053. The reversal of 71670188043 is 34088107617.

It is not a de Polignac number, because 71670188043 - 2⁵ = 71670188011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71670188043.

It is not an unprimeable number, because it can be changed into a prime (71670188053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327225678 + ... + 1327225731.

It is an arithmetic number, because the mean of its divisors is an integer number (13272257050).

Almost surely, 2^71670188043 is an apocalyptic number.

71670188043 is a deficient number, since it is larger than the sum of its proper divisors (34507868357).

71670188043 is a wasteful number, since it uses less digits than its factorization.

71670188043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654451418 (or 2654451412 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 71670188043 in words is "seventy-one billion, six hundred seventy million, one hundred eighty-eight thousand, forty-three".