16412121 has 12 divisors (see below), whose sum is σ = 25861680. Its totient is φ = 9946680.

The previous prime is 16412117. The next prime is 16412129. The reversal of 16412121 is 12121461.

16412121 is a `hidden beast` number, since 1 + 641 + 2 + 1 + 21 = 666.

It is not a de Polignac number, because 16412121 - 2² = 16412117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16412094 and 16412103.

It is not an unprimeable number, because it can be changed into a prime (16412129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82791 + ... + 82988.

It is an arithmetic number, because the mean of its divisors is an integer number (2155140).

Almost surely, 2^16412121 is an apocalyptic number.

16412121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16412121 is a deficient number, since it is larger than the sum of its proper divisors (9449559).

16412121 is a wasteful number, since it uses less digits than its factorization.

16412121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165796 (or 165793 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 16412121 is about 4051.1876036540. The cubic root of 16412121 is about 254.1293954963.

Adding to 16412121 its reverse (12121461), we get a palindrome (28533582).

The spelling of 16412121 in words is "sixteen million, four hundred twelve thousand, one hundred twenty-one".