80721580666022 has 8 divisors (see below), whose sum is σ = 121100343762456. Its totient is φ = 40354799411872.

The previous prime is 80721580666019. The next prime is 80721580666031. The reversal of 80721580666022 is 22066608512708.

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, 2995443728 + ... + 2995470675.

It is an arithmetic number, because the mean of its divisors is an integer number (15137542970307).

Almost surely, 2^{80721580666022} is an apocalyptic number.

80721580666022 is a deficient number, since it is larger than the sum of its proper divisors (40378763096434).

80721580666022 is a wasteful number, since it uses less digits than its factorization.

80721580666022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5990921142.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 80721580666022 in words is "eighty trillion, seven hundred twenty-one billion, five hundred eighty million, six hundred sixty-six thousand, twenty-two".