655661430 has 24 divisors (see below), whose sum is σ = 1704719952. Its totient is φ = 174843024.

The previous prime is 655661429. The next prime is 655661449. The reversal of 655661430 is 34166556.

655661430 is a `hidden beast` number, since 6 + 5 + 5 + 6 + 614 + 30 = 666.

655661430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3642474 + ... + 3642653.

It is an arithmetic number, because the mean of its divisors is an integer number (71029998).

Almost surely, 2^655661430 is an apocalyptic number.

655661430 is an abundant number, since it is smaller than the sum of its proper divisors (1049058522).

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

655661430 is a wasteful number, since it uses less digits than its factorization.

655661430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7285140 (or 7285137 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 655661430 is about 25605.8866278831. The cubic root of 655661430 is about 868.7467885947.

The spelling of 655661430 in words is "six hundred fifty-five million, six hundred sixty-one thousand, four hundred thirty".