16465949 has 2 divisors, whose sum is σ = 16465950. Its totient is φ = 16465948.

The previous prime is 16465921. The next prime is 16465961. The reversal of 16465949 is 94956461.

16465949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12924025 + 3541924 = 3595^2 + 1882^2 .

It is a cyclic number.

It is not a de Polignac number, because 16465949 - 2¹⁶ = 16400413 is a prime.

It is a super-2 number, since 2×16465949² = 542254952941202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16465549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8232974 + 8232975.

It is an arithmetic number, because the mean of its divisors is an integer number (8232975).

Almost surely, 2^16465949 is an apocalyptic number.

It is an amenable number.

16465949 is a deficient number, since it is larger than the sum of its proper divisors (1).

16465949 is an equidigital number, since it uses as much as digits as its factorization.

16465949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The square root of 16465949 is about 4057.8256492856. The cubic root of 16465949 is about 254.4069210586.

The spelling of 16465949 in words is "sixteen million, four hundred sixty-five thousand, nine hundred forty-nine".