654716617456 has 30 divisors (see below), whose sum is σ = 1394316436856. Its totient is φ = 297598461600.

The previous prime is 654716617453. The next prime is 654716617463.

It is a happy number.

654716617456 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 654716617456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654716617453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169088100 + ... + 169091971.

Almost surely, 2^654716617456 is an apocalyptic number.

It is an amenable number.

654716617456 is an abundant number, since it is smaller than the sum of its proper divisors (739599819400).

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

654716617456 is a wasteful number, since it uses less digits than its factorization.

654716617456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338180101 (or 338180084 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 58.

The spelling of 654716617456 in words is "six hundred fifty-four billion, seven hundred sixteen million, six hundred seventeen thousand, four hundred fifty-six".