261162566650214 has 8 divisors (see below), whose sum is σ = 392866325191200. Its totient is φ = 130207124919816.

The previous prime is 261162566650129. The next prime is 261162566650343. The reversal of 261162566650214 is 412056665261162.

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

It is a Curzon number.

It is a congruent 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, 187079201774 + ... + 187079203169.

It is an arithmetic number, because the mean of its divisors is an integer number (49108290648900).

Almost surely, 2^{261162566650214} is an apocalyptic number.

261162566650214 is a deficient number, since it is larger than the sum of its proper divisors (131703758540986).

261162566650214 is a wasteful number, since it uses less digits than its factorization.

261162566650214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374158405294.

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 261162566650214 in words is "two hundred sixty-one trillion, one hundred sixty-two billion, five hundred sixty-six million, six hundred fifty thousand, two hundred fourteen".