655550661016 has 16 divisors (see below), whose sum is σ = 1229258332440. Its totient is φ = 327748439040.

The previous prime is 655550661001. The next prime is 655550661053. The reversal of 655550661016 is 610166055556.

It is a super-4 number, since 4×655550661016⁴ (a number of 48 digits) contains 4444 as substring.

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, 3257641 + ... + 3453016.

Almost surely, 2^655550661016 is an apocalyptic number.

It is an amenable number.

655550661016 is a deficient number, since it is larger than the sum of its proper divisors (573707671424).

655550661016 is a wasteful number, since it uses less digits than its factorization.

655550661016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722874 (or 6722870 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 655550661016 in words is "six hundred fifty-five billion, five hundred fifty million, six hundred sixty-one thousand, sixteen".