71161066752266 has 8 divisors (see below), whose sum is σ = 106741715504580. Its totient is φ = 35580494917408.

The previous prime is 71161066752221. The next prime is 71161066752341. The reversal of 71161066752266 is 66225766016117.

It can be written as a sum of positive squares in 2 ways, for example, as 71012896417225 + 148170335041 = 8426915^2 + 384929^2 .

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

It is a super-2 number, since 2×71161066752266² (a number of 29 digits) contains 22 as substring.

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, 16857971 + ... + 20652198.

Almost surely, 2^{71161066752266} is an apocalyptic number.

71161066752266 is a deficient number, since it is larger than the sum of its proper divisors (35580648752314).

71161066752266 is a wasteful number, since it uses less digits than its factorization.

71161066752266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38458728.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 71161066752266 in words is "seventy-one trillion, one hundred sixty-one billion, sixty-six million, seven hundred fifty-two thousand, two hundred sixty-six".