16216801 has 2 divisors, whose sum is σ = 16216802. Its totient is φ = 16216800.

The previous prime is 16216763. The next prime is 16216807. The reversal of 16216801 is 10861261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15397776 + 819025 = 3924^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 16216801 - 2²¹ = 14119649 is a prime.

It is not a weakly prime, because it can be changed into another prime (16216807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8108400 + 8108401.

It is an arithmetic number, because the mean of its divisors is an integer number (8108401).

Almost surely, 2^16216801 is an apocalyptic number.

It is an amenable number.

16216801 is a deficient number, since it is larger than the sum of its proper divisors (1).

16216801 is an equidigital number, since it uses as much as digits as its factorization.

16216801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 16216801 is about 4027.0089396474. The cubic root of 16216801 is about 253.1172416664.

The spelling of 16216801 in words is "sixteen million, two hundred sixteen thousand, eight hundred one".