260878616 has 8 divisors (see below), whose sum is σ = 489147420. Its totient is φ = 130439304.

The previous prime is 260878591. The next prime is 260878633. The reversal of 260878616 is 616878062.

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

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 as a sum of consecutive naturals, namely, 16304906 + ... + 16304921.

Almost surely, 2^260878616 is an apocalyptic number.

It is an amenable number.

260878616 is a deficient number, since it is larger than the sum of its proper divisors (228268804).

260878616 is a wasteful number, since it uses less digits than its factorization.

260878616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32609833 (or 32609829 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 260878616 is about 16151.7372440242. The cubic root of 260878616 is about 638.9685664840.

The spelling of 260878616 in words is "two hundred sixty million, eight hundred seventy-eight thousand, six hundred sixteen".