71461864466 has 8 divisors (see below), whose sum is σ = 107447412684. Its totient is φ = 35646060240.

The previous prime is 71461864387. The next prime is 71461864543. The reversal of 71461864466 is 66446816417.

It can be written as a sum of positive squares in 2 ways, for example, as 45354091225 + 26107773241 = 212965^2 + 161579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42434945 + ... + 42436628.

Almost surely, 2^71461864466 is an apocalyptic number.

71461864466 is a deficient number, since it is larger than the sum of its proper divisors (35985548218).

71461864466 is a wasteful number, since it uses less digits than its factorization.

71461864466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84871996.

The product of its digits is 4644864, while the sum is 53.

The spelling of 71461864466 in words is "seventy-one billion, four hundred sixty-one million, eight hundred sixty-four thousand, four hundred sixty-six".