655532647654 has 8 divisors (see below), whose sum is σ = 993034605168. Its totient is φ = 324521112600.

The previous prime is 655532647639. The next prime is 655532647687. The reversal of 655532647654 is 456746235556.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1622605362 + ... + 1622605765.

It is an arithmetic number, because the mean of its divisors is an integer number (124129325646).

Almost surely, 2^655532647654 is an apocalyptic number.

655532647654 is a deficient number, since it is larger than the sum of its proper divisors (337501957514).

655532647654 is a wasteful number, since it uses less digits than its factorization.

655532647654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245211230.

The product of its digits is 90720000, while the sum is 58.

The spelling of 655532647654 in words is "six hundred fifty-five billion, five hundred thirty-two million, six hundred forty-seven thousand, six hundred fifty-four".