655551030567 has 4 divisors (see below), whose sum is σ = 874068040760. Its totient is φ = 437034020376.

The previous prime is 655551030551. The next prime is 655551030623. The reversal of 655551030567 is 765030155556.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 655551030567 - 2⁴ = 655551030551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655551030517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109258505092 + ... + 109258505097.

It is an arithmetic number, because the mean of its divisors is an integer number (218517010190).

Almost surely, 2^655551030567 is an apocalyptic number.

655551030567 is a deficient number, since it is larger than the sum of its proper divisors (218517010193).

655551030567 is a wasteful number, since it uses less digits than its factorization.

655551030567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218517010192.

The product of its (nonzero) digits is 2362500, while the sum is 48.

The spelling of 655551030567 in words is "six hundred fifty-five billion, five hundred fifty-one million, thirty thousand, five hundred sixty-seven".