606616655 has 16 divisors (see below), whose sum is σ = 733224960. Its totient is φ = 481784352.

The previous prime is 606616631. The next prime is 606616663. The reversal of 606616655 is 556616606.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606616655 is a prime.

It is a super-2 number, since 2×606616655² = 735967532246778050, which contains 22 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557522 + ... + 558608.

It is an arithmetic number, because the mean of its divisors is an integer number (45826560).

Almost surely, 2^606616655 is an apocalyptic number.

606616655 is a deficient number, since it is larger than the sum of its proper divisors (126608305).

606616655 is a wasteful number, since it uses less digits than its factorization.

606616655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 606616655 is about 24629.5890140294. The cubic root of 606616655 is about 846.5217283639.

Adding to 606616655 its sum of digits (41), we get a triangular number (606616696 = T₃₄₈₃₁).

The spelling of 606616655 in words is "six hundred six million, six hundred sixteen thousand, six hundred fifty-five".