16465441 has 2 divisors, whose sum is σ = 16465442. Its totient is φ = 16465440.

The previous prime is 16465439. The next prime is 16465453. The reversal of 16465441 is 14456461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13905441 + 2560000 = 3729^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 16465441 - 2¹ = 16465439 is a prime.

It is a super-2 number, since 2×16465441² = 542221494648962, which contains 22 as substring.

Together with 16465439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16462441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8232720 + 8232721.

It is an arithmetic number, because the mean of its divisors is an integer number (8232721).

Almost surely, 2^16465441 is an apocalyptic number.

It is an amenable number.

16465441 is a deficient number, since it is larger than the sum of its proper divisors (1).

16465441 is an equidigital number, since it uses as much as digits as its factorization.

16465441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 16465441 is about 4057.7630537034. The cubic root of 16465441 is about 254.4043047493.

The spelling of 16465441 in words is "sixteen million, four hundred sixty-five thousand, four hundred forty-one".