67894300656 has 240 divisors, whose sum is σ = 241174206720. Its totient is φ = 17906054400.

The previous prime is 67894300631. The next prime is 67894300717. The reversal of 67894300656 is 65600349876.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 444631 + ... + 577481.

It is an arithmetic number, because the mean of its divisors is an integer number (1004892528).

Almost surely, 2^67894300656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67894300656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120587103360).

67894300656 is an abundant number, since it is smaller than the sum of its proper divisors (173279906064).

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

67894300656 is a wasteful number, since it uses less digits than its factorization.

67894300656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132901 (or 132876 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 67894300656 in words is "sixty-seven billion, eight hundred ninety-four million, three hundred thousand, six hundred fifty-six".