68497954560 has 1080 divisors, whose sum is σ = 290125891440. Its totient is φ = 15383789568.

The previous prime is 68497954559. The next prime is 68497954589. The reversal of 68497954560 is 6545979486.

68497954560 is a `hidden beast` number, since 6 + 8 + 4 + 97 + 95 + 456 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1080).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 492790971 + ... + 492791109.

Almost surely, 2^68497954560 is an apocalyptic number.

68497954560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68497954560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145062945720).

68497954560 is an abundant number, since it is smaller than the sum of its proper divisors (221627936880).

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

68497954560 is a wasteful number, since it uses less digits than its factorization.

68497954560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 63.

The spelling of 68497954560 in words is "sixty-eight billion, four hundred ninety-seven million, nine hundred fifty-four thousand, five hundred sixty".