260532061663 has 4 divisors (see below), whose sum is σ = 263111587128. Its totient is φ = 257952536200.

The previous prime is 260532061661. The next prime is 260532061703. The reversal of 260532061663 is 366160235062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260532061663 - 2¹ = 260532061661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260532061661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289762581 + ... + 1289762782.

It is an arithmetic number, because the mean of its divisors is an integer number (65777896782).

Almost surely, 2^260532061663 is an apocalyptic number.

260532061663 is a deficient number, since it is larger than the sum of its proper divisors (2579525465).

260532061663 is a wasteful number, since it uses less digits than its factorization.

260532061663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579525464.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 260532061663 in words is "two hundred sixty billion, five hundred thirty-two million, sixty-one thousand, six hundred sixty-three".