68508537048 has 768 divisors, whose sum is σ = 247269335040. Its totient is φ = 17318707200.

The previous prime is 68508537043. The next prime is 68508537061. The reversal of 68508537048 is 84073580586.

68508537048 is a `hidden beast` number, since 68 + 5 + 0 + 8 + 537 + 0 + 48 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 68508536985 and 68508537003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68508537043) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 294027940 + ... + 294028172.

It is an arithmetic number, because the mean of its divisors is an integer number (321965280).

Almost surely, 2^68508537048 is an apocalyptic number.

68508537048 is a gapful number since it is divisible by the number (68) 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 68508537048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123634667520).

68508537048 is an abundant number, since it is smaller than the sum of its proper divisors (178760797992).

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

68508537048 is a wasteful number, since it uses less digits than its factorization.

68508537048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 68508537048 in words is "sixty-eight billion, five hundred eight million, five hundred thirty-seven thousand, forty-eight".