804566168037680 has 40 divisors (see below), whose sum is σ = 1905910988635152. Its totient is φ = 315754269718784.

The previous prime is 804566168037679. The next prime is 804566168037769. The reversal of 804566168037680 is 86730861665408.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 804566168037680.

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, 94878081614 + ... + 94878090093.

Almost surely, 2^{804566168037680} is an apocalyptic number.

804566168037680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

804566168037680 is an abundant number, since it is smaller than the sum of its proper divisors (1101344820597472).

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

804566168037680 is a wasteful number, since it uses less digits than its factorization.

804566168037680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189756171773 (or 189756171767 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 68.

The spelling of 804566168037680 in words is "eight hundred four trillion, five hundred sixty-six billion, one hundred sixty-eight million, thirty-seven thousand, six hundred eighty".