80662006426 has 8 divisors (see below), whose sum is σ = 120996385524. Its totient is φ = 40329877920.

The previous prime is 80662006393. The next prime is 80662006493. The reversal of 80662006426 is 62460026608.

It can be written as a sum of positive squares in 2 ways, for example, as 79044760201 + 1617246225 = 281149^2 + 40215^2 .

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

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, 469995 + ... + 618238.

Almost surely, 2^80662006426 is an apocalyptic number.

80662006426 is a deficient number, since it is larger than the sum of its proper divisors (40334379098).

80662006426 is a wasteful number, since it uses less digits than its factorization.

80662006426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125296.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 80662006426 in words is "eighty billion, six hundred sixty-two million, six thousand, four hundred twenty-six".