214128416 has 12 divisors (see below), whose sum is σ = 421565382. Its totient is φ = 107064192.

The previous prime is 214128407. The next prime is 214128437. The reversal of 214128416 is 614821412.

It can be written as a sum of positive squares in only one way, i.e., 143904016 + 70224400 = 11996^2 + 8380^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3345725 + ... + 3345788.

Almost surely, 2^214128416 is an apocalyptic number.

It is an amenable number.

214128416 is a deficient number, since it is larger than the sum of its proper divisors (207436966).

214128416 is an equidigital number, since it uses as much as digits as its factorization.

214128416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691523 (or 6691515 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 214128416 is about 14633.1273485882. The cubic root of 214128416 is about 598.2620224360.

Adding to 214128416 its reverse (614821412), we get a palindrome (828949828).

The spelling of 214128416 in words is "two hundred fourteen million, one hundred twenty-eight thousand, four hundred sixteen".