80656382608220 has 24 divisors (see below), whose sum is σ = 171281531610000. Its totient is φ = 31900052446592.

The previous prime is 80656382608129. The next prime is 80656382608253. The reversal of 80656382608220 is 2280628365608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22656285470 + ... + 22656289029.

It is an arithmetic number, because the mean of its divisors is an integer number (7136730483750).

Almost surely, 2^{80656382608220} is an apocalyptic number.

It is an amenable number.

80656382608220 is an abundant number, since it is smaller than the sum of its proper divisors (90625149001780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80656382608220 is a wasteful number, since it uses less digits than its factorization.

80656382608220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45312574597 (or 45312574595 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 56.

The spelling of 80656382608220 in words is "eighty trillion, six hundred fifty-six billion, three hundred eighty-two million, six hundred eight thousand, two hundred twenty".