16212441 has 16 divisors (see below), whose sum is σ = 26158464. Its totient is φ = 8719104.

The previous prime is 16212437. The next prime is 16212451. The reversal of 16212441 is 14421261.

It is a happy number.

It is not a de Polignac number, because 16212441 - 2² = 16212437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (16212431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22350 + ... + 23063.

It is an arithmetic number, because the mean of its divisors is an integer number (1634904).

Almost surely, 2^16212441 is an apocalyptic number.

It is an amenable number.

16212441 is a deficient number, since it is larger than the sum of its proper divisors (9946023).

16212441 is a wasteful number, since it uses less digits than its factorization.

16212441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45440.

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

The square root of 16212441 is about 4026.4675585431. The cubic root of 16212441 is about 253.0945555215.

It can be divided in two parts, 162124 and 41, that added together give a triangular number (162165 = T₅₆₉).

The spelling of 16212441 in words is "sixteen million, two hundred twelve thousand, four hundred forty-one".