71547641606 has 64 divisors (see below), whose sum is σ = 128533920768. Its totient is φ = 29233346688.

The previous prime is 71547641533. The next prime is 71547641611. The reversal of 71547641606 is 60614674517.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6279791 + ... + 6291173.

It is an arithmetic number, because the mean of its divisors is an integer number (2008342512).

Almost surely, 2^71547641606 is an apocalyptic number.

71547641606 is a deficient number, since it is larger than the sum of its proper divisors (56986279162).

71547641606 is a wasteful number, since it uses less digits than its factorization.

71547641606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11685.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 71547641606 in words is "seventy-one billion, five hundred forty-seven million, six hundred forty-one thousand, six hundred six".