260552566 has 16 divisors (see below), whose sum is σ = 402393024. Its totient is φ = 126459144.

The previous prime is 260552543. The next prime is 260552569. The reversal of 260552566 is 665255062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260552569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4725 + ... + 23311.

It is an arithmetic number, because the mean of its divisors is an integer number (25149564).

Almost surely, 2^260552566 is an apocalyptic number.

260552566 is a deficient number, since it is larger than the sum of its proper divisors (141840458).

260552566 is a wasteful number, since it uses less digits than its factorization.

260552566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18795.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 260552566 is about 16141.6407468386. The cubic root of 260552566 is about 638.7022580142.

It can be divided in two parts, 260 and 552566, that added together give a triangular number (552826 = T₁₀₅₁).

The spelling of 260552566 in words is "two hundred sixty million, five hundred fifty-two thousand, five hundred sixty-six".