67799818426401 has 32 divisors (see below), whose sum is σ = 102897459181440. Its totient is φ = 44095974681600.

The previous prime is 67799818426391. The next prime is 67799818426421. The reversal of 67799818426401 is 10462481899776.

67799818426401 is a `hidden beast` number, since 6 + 7 + 79 + 98 + 1 + 8 + 426 + 40 + 1 = 666.

It is not a de Polignac number, because 67799818426401 - 2¹⁷ = 67799818295329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67799818426401.

It is not an unprimeable number, because it can be changed into a prime (67799818426421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32749201 + ... + 34757873.

It is an arithmetic number, because the mean of its divisors is an integer number (3215545599420).

Almost surely, 2^{67799818426401} is an apocalyptic number.

It is an amenable number.

67799818426401 is a deficient number, since it is larger than the sum of its proper divisors (35097640755039).

67799818426401 is a wasteful number, since it uses less digits than its factorization.

67799818426401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039214 (or 2039208 counting only the distinct ones).

The product of its (nonzero) digits is 292626432, while the sum is 72.

The spelling of 67799818426401 in words is "sixty-seven trillion, seven hundred ninety-nine billion, eight hundred eighteen million, four hundred twenty-six thousand, four hundred one".