67415422128 has 80 divisors (see below), whose sum is σ = 184945246080. Its totient is φ = 21100649472.

The previous prime is 67415422079. The next prime is 67415422159. The reversal of 67415422128 is 82122451476.

67415422128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 67415422128.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224026 + ... + 430137.

It is an arithmetic number, because the mean of its divisors is an integer number (2311815576).

Almost surely, 2^67415422128 is an apocalyptic number.

It is an amenable number.

67415422128 is an abundant number, since it is smaller than the sum of its proper divisors (117529823952).

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

67415422128 is a wasteful number, since it uses less digits than its factorization.

67415422128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654306 (or 654300 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The spelling of 67415422128 in words is "sixty-seven billion, four hundred fifteen million, four hundred twenty-two thousand, one hundred twenty-eight".