214244012661 has 24 divisors (see below), whose sum is σ = 332315408160. Its totient is φ = 122418307872.

The previous prime is 214244012651. The next prime is 214244012707. The reversal of 214244012661 is 166210442412.

214244012661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 214244012661 - 2⁵ = 214244012629 is a prime.

It is a super-2 number, since 2×214244012661² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214244012641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3873775 + ... + 3928691.

It is an arithmetic number, because the mean of its divisors is an integer number (13846475340).

Almost surely, 2^214244012661 is an apocalyptic number.

214244012661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

214244012661 is a deficient number, since it is larger than the sum of its proper divisors (118071395499).

214244012661 is a wasteful number, since it uses less digits than its factorization.

214244012661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81473 (or 81466 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 214244012661 in words is "two hundred fourteen billion, two hundred forty-four million, twelve thousand, six hundred sixty-one".