261104494 has 16 divisors (see below), whose sum is σ = 454290048. Its totient is φ = 110231352.

The previous prime is 261104477. The next prime is 261104521. The reversal of 261104494 is 494401162.

261104494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138244 + ... + 140119.

It is an arithmetic number, because the mean of its divisors is an integer number (28393128).

Almost surely, 2^261104494 is an apocalyptic number.

261104494 is a deficient number, since it is larger than the sum of its proper divisors (193185554).

261104494 is a wasteful number, since it uses less digits than its factorization.

261104494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278439.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 261104494 is about 16158.7281058875. The cubic root of 261104494 is about 639.1529272019.

The spelling of 261104494 in words is "two hundred sixty-one million, one hundred four thousand, four hundred ninety-four".