654068686860456 has 32 divisors (see below), whose sum is σ = 1868767676744640. Its totient is φ = 186876767674368.

The previous prime is 654068686860451. The next prime is 654068686860499.

It is a happy number.

654068686860456 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×654068686860456² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (654068686860451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946632996441 + ... + 1946632996776.

It is an arithmetic number, because the mean of its divisors is an integer number (58398989898270).

Almost surely, 2^{654068686860456} is an apocalyptic number.

It is an amenable number.

654068686860456 is an abundant number, since it is smaller than the sum of its proper divisors (1214698989884184).

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

654068686860456 is a wasteful number, since it uses less digits than its factorization.

654068686860456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3893265993233 (or 3893265993229 counting only the distinct ones).

The product of its (nonzero) digits is 9555148800, while the sum is 78.

The spelling of 654068686860456 in words is "six hundred fifty-four trillion, sixty-eight billion, six hundred eighty-six million, eight hundred sixty thousand, four hundred fifty-six".