80657198021206 has 8 divisors (see below), whose sum is σ = 122056467802344. Its totient is φ = 39971708753760.

The previous prime is 80657198021149. The next prime is 80657198021243. The reversal of 80657198021206 is 60212089175608.

It is a happy number.

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

It is a congruent number.

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, 178445128140 + ... + 178445128591.

It is an arithmetic number, because the mean of its divisors is an integer number (15257058475293).

Almost surely, 2^{80657198021206} is an apocalyptic number.

80657198021206 is a deficient number, since it is larger than the sum of its proper divisors (41399269781138).

80657198021206 is a wasteful number, since it uses less digits than its factorization.

80657198021206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356890256846.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 80657198021206 in words is "eighty trillion, six hundred fifty-seven billion, one hundred ninety-eight million, twenty-one thousand, two hundred six".