116663421 has 8 divisors (see below), whose sum is σ = 177772864. Its totient is φ = 66664800.

The previous prime is 116663419. The next prime is 116663431. The reversal of 116663421 is 124366611.

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

It is not a de Polignac number, because 116663421 - 2¹ = 116663419 is a prime.

It is a super-2 number, since 2×116663421² = 27220707598846482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116663411) 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, 2777680 + ... + 2777721.

It is an arithmetic number, because the mean of its divisors is an integer number (22221608).

Almost surely, 2^116663421 is an apocalyptic number.

It is an amenable number.

116663421 is a deficient number, since it is larger than the sum of its proper divisors (61109443).

116663421 is an equidigital number, since it uses as much as digits as its factorization.

116663421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555411.

The product of its digits is 5184, while the sum is 30.

The square root of 116663421 is about 10801.0842511296. The cubic root of 116663421 is about 488.6278716662.

The spelling of 116663421 in words is "one hundred sixteen million, six hundred sixty-three thousand, four hundred twenty-one".