71300600066 has 12 divisors (see below), whose sum is σ = 109623087186. Its totient is φ = 34780778880.

The previous prime is 71300600053. The next prime is 71300600071. The reversal of 71300600066 is 66000600317.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 16134334441 + 55166265625 = 127021^2 + 234875^2 .

It is a super-3 number, since 3×71300600066³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10600535 + ... + 10607258.

Almost surely, 2^71300600066 is an apocalyptic number.

71300600066 is a deficient number, since it is larger than the sum of its proper divisors (38322487120).

71300600066 is a wasteful number, since it uses less digits than its factorization.

71300600066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21207877 (or 21207836 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 71300600066 in words is "seventy-one billion, three hundred million, six hundred thousand, sixty-six".