80106426656 has 12 divisors (see below), whose sum is σ = 157709527542. Its totient is φ = 40053213312.

The previous prime is 80106426629. The next prime is 80106426671. The reversal of 80106426656 is 65662460108.

It can be written as a sum of positive squares in only one way, i.e., 80041463056 + 64963600 = 282916^2 + 8060^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251662885 + ... + 1251662948.

Almost surely, 2^80106426656 is an apocalyptic number.

It is an amenable number.

80106426656 is a deficient number, since it is larger than the sum of its proper divisors (77603100886).

80106426656 is a wasteful number, since it uses less digits than its factorization.

80106426656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503325843 (or 2503325835 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 80106426656 in words is "eighty billion, one hundred six million, four hundred twenty-six thousand, six hundred fifty-six".