80081761616906 has 32 divisors (see below), whose sum is σ = 146047394570112. Its totient is φ = 32148797506560.

The previous prime is 80081761616897. The next prime is 80081761616917. The reversal of 80081761616906 is 60961616718008.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797290991 + ... + 797391426.

It is an arithmetic number, because the mean of its divisors is an integer number (4563981080316).

Almost surely, 2^{80081761616906} is an apocalyptic number.

80081761616906 is a deficient number, since it is larger than the sum of its proper divisors (65965632953206).

80081761616906 is a wasteful number, since it uses less digits than its factorization.

80081761616906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594682654.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 80081761616906 in words is "eighty trillion, eighty-one billion, seven hundred sixty-one million, six hundred sixteen thousand, nine hundred six".