71672262131266 has 8 divisors (see below), whose sum is σ = 109270825872444. Its totient is φ = 35248653507120.

The previous prime is 71672262131213. The next prime is 71672262131299. The reversal of 71672262131266 is 66213126227617.

It can be written as a sum of positive squares in 2 ways, for example, as 46688809392241 + 24983452739025 = 6832921^2 + 4998345^2 .

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

It is a super-2 number, since 2×71672262131266² (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, 293738779105 + ... + 293738779348.

Almost surely, 2^{71672262131266} is an apocalyptic number.

71672262131266 is a deficient number, since it is larger than the sum of its proper divisors (37598563741178).

71672262131266 is a wasteful number, since it uses less digits than its factorization.

71672262131266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587477558516.

The product of its digits is 3048192, while the sum is 52.

The spelling of 71672262131266 in words is "seventy-one trillion, six hundred seventy-two billion, two hundred sixty-two million, one hundred thirty-one thousand, two hundred sixty-six".