68203474700256 has 324 divisors, whose sum is σ = 234285336191088. Its totient is φ = 19486704117888.

The previous prime is 68203474700243. The next prime is 68203474700281. The reversal of 68203474700256 is 65200747430286.

68203474700256 is a `hidden beast` number, since 6 + 8 + 2 + 0 + 347 + 47 + 0 + 0 + 256 = 666.

It is a tau number, because it is divible by the number of its divisors (324).

It is a super-2 number, since 2×68203474700256² (a number of 28 digits) contains 22 as substring.

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 53 ways as a sum of consecutive naturals, for example, 6972825 + ... + 13602471.

Almost surely, 2^{68203474700256} 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 68203474700256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117142668095544).

68203474700256 is an abundant number, since it is smaller than the sum of its proper divisors (166081861490832).

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

68203474700256 is an frugal number, since it uses more digits than its factorization.

68203474700256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6629695 (or 6629659 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 54.

The spelling of 68203474700256 in words is "sixty-eight trillion, two hundred three billion, four hundred seventy-four million, seven hundred thousand, two hundred fifty-six".