2316661421 has 8 divisors (see below), whose sum is σ = 2372408544. Its totient is φ = 2260999440.

The previous prime is 2316661381. The next prime is 2316661441. The reversal of 2316661421 is 1241666132.

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

It is a cyclic number.

It is not a de Polignac number, because 2316661421 - 2⁶ = 2316661357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2316661441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35591 + ... + 76811.

It is an arithmetic number, because the mean of its divisors is an integer number (296551068).

Almost surely, 2^2316661421 is an apocalyptic number.

It is an amenable number.

2316661421 is a deficient number, since it is larger than the sum of its proper divisors (55747123).

2316661421 is a wasteful number, since it uses less digits than its factorization.

2316661421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42571.

The product of its digits is 10368, while the sum is 32.

The square root of 2316661421 is about 48131.7091011736. The cubic root of 2316661421 is about 1323.1858730310.

The spelling of 2316661421 in words is "two billion, three hundred sixteen million, six hundred sixty-one thousand, four hundred twenty-one".