654544425161 has 8 divisors (see below), whose sum is σ = 719185504800. Its totient is φ = 590759519040.

The previous prime is 654544425149. The next prime is 654544425169. The reversal of 654544425161 is 161524445456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 654544425161 - 2¹⁰ = 654544424137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (654544425169) 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, 214041776 + ... + 214044833.

It is an arithmetic number, because the mean of its divisors is an integer number (89898188100).

Almost surely, 2^654544425161 is an apocalyptic number.

It is an amenable number.

654544425161 is a deficient number, since it is larger than the sum of its proper divisors (64641079639).

654544425161 is a wasteful number, since it uses less digits than its factorization.

654544425161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428086759.

The product of its digits is 2304000, while the sum is 47.

The spelling of 654544425161 in words is "six hundred fifty-four billion, five hundred forty-four million, four hundred twenty-five thousand, one hundred sixty-one".