261466876 has 12 divisors (see below), whose sum is σ = 499164120. Its totient is φ = 118848560.

The previous prime is 261466873. The next prime is 261466883. The reversal of 261466876 is 678664162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261466873) 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, 2971171 + ... + 2971258.

It is an arithmetic number, because the mean of its divisors is an integer number (41597010).

Almost surely, 2^261466876 is an apocalyptic number.

It is an amenable number.

261466876 is a deficient number, since it is larger than the sum of its proper divisors (237697244).

261466876 is a wasteful number, since it uses less digits than its factorization.

261466876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5942444 (or 5942442 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 261466876 is about 16169.9374148449. The cubic root of 261466876 is about 639.4484799422.

The spelling of 261466876 in words is "two hundred sixty-one million, four hundred sixty-six thousand, eight hundred seventy-six".