68227473552 has 160 divisors (see below), whose sum is σ = 204061439232. Its totient is φ = 19240353792.

The previous prime is 68227473547. The next prime is 68227473571. The reversal of 68227473552 is 25537472286.

It is a junction number, because it is equal to n+sod(n) for n = 68227473495 and 68227473504.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12936388 + ... + 12941660.

Almost surely, 2^68227473552 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 68227473552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102030719616).

68227473552 is an abundant number, since it is smaller than the sum of its proper divisors (135833965680).

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

68227473552 is a wasteful number, since it uses less digits than its factorization.

68227473552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785 (or 5779 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 51.

The spelling of 68227473552 in words is "sixty-eight billion, two hundred twenty-seven million, four hundred seventy-three thousand, five hundred fifty-two".