261108086 has 4 divisors (see below), whose sum is σ = 391662132. Its totient is φ = 130554042.

The previous prime is 261108073. The next prime is 261108101. The reversal of 261108086 is 680801162.

261108086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65277020 + ... + 65277023.

It is an arithmetic number, because the mean of its divisors is an integer number (97915533).

Almost surely, 2^261108086 is an apocalyptic number.

261108086 is a deficient number, since it is larger than the sum of its proper divisors (130554046).

261108086 is a wasteful number, since it uses less digits than its factorization.

261108086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130554045.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 261108086 is about 16158.8392528671. The cubic root of 261108086 is about 639.1558581189.

The spelling of 261108086 in words is "two hundred sixty-one million, one hundred eight thousand, eighty-six".