67808566401 has 16 divisors (see below), whose sum is σ = 92050172928. Its totient is φ = 44391410000.

The previous prime is 67808566387. The next prime is 67808566403. The reversal of 67808566401 is 10466580876.

67808566401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 67808566401 - 2¹⁷ = 67808435329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67808566403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580701 + ... + 687626.

It is an arithmetic number, because the mean of its divisors is an integer number (5753135808).

Almost surely, 2^67808566401 is an apocalyptic number.

It is an amenable number.

67808566401 is a deficient number, since it is larger than the sum of its proper divisors (24241606527).

67808566401 is a wasteful number, since it uses less digits than its factorization.

67808566401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268652.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 67808566401 in words is "sixty-seven billion, eight hundred eight million, five hundred sixty-six thousand, four hundred one".