80681607006420 has 96 divisors (see below), whose sum is σ = 260151991013376. Its totient is φ = 18300735273600.

The previous prime is 80681607006391. The next prime is 80681607006437. The reversal of 80681607006420 is 2460070618608.

It is a self number, because there is not a number n which added to its sum of digits gives 80681607006420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 733147516 + ... + 733257555.

It is an arithmetic number, because the mean of its divisors is an integer number (2709916573056).

Almost surely, 2^{80681607006420} is an apocalyptic number.

It is an amenable number.

80681607006420 is an abundant number, since it is smaller than the sum of its proper divisors (179470384006956).

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

80681607006420 is a wasteful number, since it uses less digits than its factorization.

80681607006420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466405221 (or 1466405219 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 80681607006420 in words is "eighty trillion, six hundred eighty-one billion, six hundred seven million, six thousand, four hundred twenty".