255604616 has 8 divisors (see below), whose sum is σ = 479258670. Its totient is φ = 127802304.

The previous prime is 255604597. The next prime is 255604627. The reversal of 255604616 is 616406552.

It can be written as a sum of positive squares in only one way, i.e., 194044900 + 61559716 = 13930^2 + 7846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15975281 + ... + 15975296.

Almost surely, 2^255604616 is an apocalyptic number.

It is an amenable number.

255604616 is a deficient number, since it is larger than the sum of its proper divisors (223654054).

255604616 is a wasteful number, since it uses less digits than its factorization.

255604616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31950583 (or 31950579 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 255604616 is about 15987.6394755448. The cubic root of 255604616 is about 634.6333601753.

The spelling of 255604616 in words is "two hundred fifty-five million, six hundred four thousand, six hundred sixteen".