210116442 has 8 divisors (see below), whose sum is σ = 420232896. Its totient is φ = 70038812.

The previous prime is 210116441. The next prime is 210116443. The reversal of 210116442 is 244611012.

It is a happy number.

210116442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (210116441) and next prime (210116443).

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

210116442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (210116441) 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, 17509698 + ... + 17509709.

It is an arithmetic number, because the mean of its divisors is an integer number (52529112).

Almost surely, 2^210116442 is an apocalyptic number.

210116442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210116442 is a wasteful number, since it uses less digits than its factorization.

210116442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35019412.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 210116442 is about 14495.3938201071. The cubic root of 210116442 is about 594.5020356375.

Adding to 210116442 its reverse (244611012), we get a palindrome (454727454).

The spelling of 210116442 in words is "two hundred ten million, one hundred sixteen thousand, four hundred forty-two".