261108968 has 8 divisors (see below), whose sum is σ = 489579330. Its totient is φ = 130554480.

The previous prime is 261108919. The next prime is 261108977. The reversal of 261108968 is 869801162.

261108968 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 155800324 + 105308644 = 12482^2 + 10262^2 .

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

It is an unprimeable number.

It is a 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, 16319303 + ... + 16319318.

Almost surely, 2^261108968 is an apocalyptic number.

It is an amenable number.

261108968 is a deficient number, since it is larger than the sum of its proper divisors (228470362).

261108968 is a wasteful number, since it uses less digits than its factorization.

261108968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32638627 (or 32638623 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 261108968 is about 16158.8665444084. The cubic root of 261108968 is about 639.1565777887.

The spelling of 261108968 in words is "two hundred sixty-one million, one hundred eight thousand, nine hundred sixty-eight".