654445848544456 has 16 divisors (see below), whose sum is σ = 1238999422003200. Its totient is φ = 324046002676944.

The previous prime is 654445848544421. The next prime is 654445848544457.

654445848544456 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (654445848544457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397115198536 + ... + 397115200183.

It is an arithmetic number, because the mean of its divisors is an integer number (77437463875200).

Almost surely, 2^{654445848544456} is an apocalyptic number.

It is an amenable number.

654445848544456 is a deficient number, since it is larger than the sum of its proper divisors (584553573458744).

654445848544456 is a wasteful number, since it uses less digits than its factorization.

654445848544456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794230398828 (or 794230398824 counting only the distinct ones).

The product of its digits is 23592960000, while the sum is 76.

The spelling of 654445848544456 in words is "six hundred fifty-four trillion, four hundred forty-five billion, eight hundred forty-eight million, five hundred forty-four thousand, four hundred fifty-six".