68530611220992 has 240 divisors, whose sum is σ = 200667687517440. Its totient is φ = 22510791475200.

The previous prime is 68530611220949. The next prime is 68530611221003. The reversal of 68530611220992 is 29902211603586.

68530611220992 is a `hidden beast` number, since 6 + 8 + 530 + 6 + 1 + 12 + 2 + 0 + 9 + 92 = 666.

It is a super-2 number, since 2×68530611220992² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 683403817 + ... + 683504087.

It is an arithmetic number, because the mean of its divisors is an integer number (836115364656).

Almost surely, 2^{68530611220992} 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 68530611220992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100333843758720).

68530611220992 is an abundant number, since it is smaller than the sum of its proper divisors (132137076296448).

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

68530611220992 is a wasteful number, since it uses less digits than its factorization.

68530611220992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102455 (or 102436 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 68530611220992 in words is "sixty-eight trillion, five hundred thirty billion, six hundred eleven million, two hundred twenty thousand, nine hundred ninety-two".