76666555226 has 16 divisors (see below), whose sum is σ = 122300424960. Its totient is φ = 35941345920.

The previous prime is 76666555219. The next prime is 76666555237. The reversal of 76666555226 is 62255566667.

It is a super-2 number, since 2×76666555226² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10396010 + ... + 10403381.

It is an arithmetic number, because the mean of its divisors is an integer number (7643776560).

Almost surely, 2^76666555226 is an apocalyptic number.

76666555226 is a deficient number, since it is larger than the sum of its proper divisors (45633869734).

76666555226 is a wasteful number, since it uses less digits than its factorization.

76666555226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20799509.

The product of its digits is 27216000, while the sum is 56.

The spelling of 76666555226 in words is "seventy-six billion, six hundred sixty-six million, five hundred fifty-five thousand, two hundred twenty-six".