261670314 has 8 divisors (see below), whose sum is σ = 523340640. Its totient is φ = 87223436.

The previous prime is 261670303. The next prime is 261670397. The reversal of 261670314 is 413076162.

It is a sphenic number, since it is the product of 3 distinct primes.

261670314 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21805854 + ... + 21805865.

It is an arithmetic number, because the mean of its divisors is an integer number (65417580).

Almost surely, 2^261670314 is an apocalyptic number.

261670314 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261670314 is a wasteful number, since it uses less digits than its factorization.

261670314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43611724.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 261670314 is about 16176.2268159172. The cubic root of 261670314 is about 639.6142809255.

The spelling of 261670314 in words is "two hundred sixty-one million, six hundred seventy thousand, three hundred fourteen".