68028154560 has 560 divisors, whose sum is σ = 248086814976. Its totient is φ = 17690462208.

The previous prime is 68028154559. The next prime is 68028154561. The reversal of 68028154560 is 6545182086.

68028154560 is a `hidden beast` number, since 6 + 8 + 0 + 2 + 81 + 5 + 4 + 560 = 666.

68028154560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (68028154559) and next prime (68028154561).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (68028154561) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 221589927 + ... + 221590233.

Almost surely, 2^68028154560 is an apocalyptic number.

68028154560 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 68028154560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124043407488).

68028154560 is an abundant number, since it is smaller than the sum of its proper divisors (180058660416).

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

68028154560 is a wasteful number, since it uses less digits than its factorization.

68028154560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 68028154560 in words is "sixty-eight billion, twenty-eight million, one hundred fifty-four thousand, five hundred sixty".