68544422444586 has 64 divisors (see below), whose sum is σ = 157777954030080. Its totient is φ = 19633404997440.

The previous prime is 68544422444581. The next prime is 68544422444591.

68544422444586 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (68544422444581) and next prime (68544422444591).

It is a super-2 number, since 2×68544422444586² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (68544422444581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61138185 + ... + 62249228.

It is an arithmetic number, because the mean of its divisors is an integer number (2465280531720).

Almost surely, 2^{68544422444586} is an apocalyptic number.

68544422444586 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

68544422444586 is an abundant number, since it is smaller than the sum of its proper divisors (89233531585494).

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

68544422444586 is a wasteful number, since it uses less digits than its factorization.

68544422444586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123387891.

The product of its digits is 943718400, while the sum is 66.

The spelling of 68544422444586 in words is "sixty-eight trillion, five hundred forty-four billion, four hundred twenty-two million, four hundred forty-four thousand, five hundred eighty-six".