16621114 has 8 divisors (see below), whose sum is σ = 25114068. Its totient is φ = 8249760.

The previous prime is 16621109. The next prime is 16621117. The reversal of 16621114 is 41112661.

It can be written as a sum of positive squares in 2 ways, for example, as 16281225 + 339889 = 4035^2 + 583^2 .

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

It is a super-2 number, since 2×16621114² = 552522861201992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16621117) 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, 30057 + ... + 30604.

Almost surely, 2^16621114 is an apocalyptic number.

16621114 is a deficient number, since it is larger than the sum of its proper divisors (8492954).

16621114 is a wasteful number, since it uses less digits than its factorization.

16621114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60800.

The product of its digits is 288, while the sum is 22.

The square root of 16621114 is about 4076.9000478305. The cubic root of 16621114 is about 255.2035488708.

Adding to 16621114 its reverse (41112661), we get a palindrome (57733775).

The spelling of 16621114 in words is "sixteen million, six hundred twenty-one thousand, one hundred fourteen".