80418678582646 has 16 divisors (see below), whose sum is σ = 127645569439488. Its totient is φ = 37919401412200.

The previous prime is 80418678582607. The next prime is 80418678582661. The reversal of 80418678582646 is 64628587681408.

It is a super-2 number, since 2×80418678582646² (a number of 29 digits) contains 22 as substring.

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, 12311490700 + ... + 12311497231.

It is an arithmetic number, because the mean of its divisors is an integer number (7977848089968).

Almost surely, 2^{80418678582646} is an apocalyptic number.

80418678582646 is a deficient number, since it is larger than the sum of its proper divisors (47226890856842).

80418678582646 is a wasteful number, since it uses less digits than its factorization.

80418678582646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24622988027.

The product of its (nonzero) digits is 990904320, while the sum is 73.

The spelling of 80418678582646 in words is "eighty trillion, four hundred eighteen billion, six hundred seventy-eight million, five hundred eighty-two thousand, six hundred forty-six".