214066261361 has 4 divisors (see below), whose sum is σ = 215379551472. Its totient is φ = 212752971252.

The previous prime is 214066261267. The next prime is 214066261427. The reversal of 214066261361 is 163162660412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214066261361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (214066261961) 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, 656644811 + ... + 656645136.

It is an arithmetic number, because the mean of its divisors is an integer number (53844887868).

Almost surely, 2^214066261361 is an apocalyptic number.

It is an amenable number.

214066261361 is a deficient number, since it is larger than the sum of its proper divisors (1313290111).

214066261361 is a wasteful number, since it uses less digits than its factorization.

214066261361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313290110.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 214066261361 in words is "two hundred fourteen billion, sixty-six million, two hundred sixty-one thousand, three hundred sixty-one".