654464222464456 has 16 divisors (see below), whose sum is σ = 1227121721613900. Its totient is φ = 327231763367424.

The previous prime is 654464222464447. The next prime is 654464222464471.

It is a happy number.

654464222464456 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 648143674499556 + 6320547964900 = 25458666^2 + 2514070^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35398845 + ... + 50616268.

Almost surely, 2^{654464222464456} is an apocalyptic number.

It is an amenable number.

654464222464456 is a deficient number, since it is larger than the sum of its proper divisors (572657499149444).

654464222464456 is a wasteful number, since it uses less digits than its factorization.

654464222464456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86966208 (or 86966204 counting only the distinct ones).

The product of its digits is 1061683200, while the sum is 64.

The spelling of 654464222464456 in words is "six hundred fifty-four trillion, four hundred sixty-four billion, two hundred twenty-two million, four hundred sixty-four thousand, four hundred fifty-six".