655654645 has 8 divisors (see below), whose sum is σ = 792981504. Its totient is φ = 520393104.

The previous prime is 655654639. The next prime is 655654651. The reversal of 655654645 is 546456556.

It is an interprime number because it is at equal distance from previous prime (655654639) and next prime (655654651).

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 655654645 - 2⁵ = 655654613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 655654595 and 655654604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515629 + ... + 516898.

It is an arithmetic number, because the mean of its divisors is an integer number (99122688).

Almost surely, 2^655654645 is an apocalyptic number.

It is an amenable number.

655654645 is a deficient number, since it is larger than the sum of its proper divisors (137326859).

655654645 is a wasteful number, since it uses less digits than its factorization.

655654645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032659.

The product of its digits is 2160000, while the sum is 46.

The square root of 655654645 is about 25605.7541384744. The cubic root of 655654645 is about 868.7437918919.

The spelling of 655654645 in words is "six hundred fifty-five million, six hundred fifty-four thousand, six hundred forty-five".