16094621 has 2 divisors, whose sum is σ = 16094622. Its totient is φ = 16094620.

The previous prime is 16094609. The next prime is 16094707. The reversal of 16094621 is 12649061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13579225 + 2515396 = 3685^2 + 1586^2 .

It is an emirp because it is prime and its reverse (12649061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16094621 - 2⁶ = 16094557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16094521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8047310 + 8047311.

It is an arithmetic number, because the mean of its divisors is an integer number (8047311).

Almost surely, 2^16094621 is an apocalyptic number.

It is an amenable number.

16094621 is a deficient number, since it is larger than the sum of its proper divisors (1).

16094621 is an equidigital number, since it uses as much as digits as its factorization.

16094621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 16094621 is about 4011.8101899267. The cubic root of 16094621 is about 252.4799631194.

The spelling of 16094621 in words is "sixteen million, ninety-four thousand, six hundred twenty-one".