16775069 has 2 divisors, whose sum is σ = 16775070. Its totient is φ = 16775068.

The previous prime is 16775053. The next prime is 16775093. The reversal of 16775069 is 96057761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14707225 + 2067844 = 3835^2 + 1438^2 .

It is a cyclic number.

It is not a de Polignac number, because 16775069 - 2⁴ = 16775053 is a prime.

It is a super-2 number, since 2×16775069² = 562805879909522, 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 (16775009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8387534 + 8387535.

It is an arithmetic number, because the mean of its divisors is an integer number (8387535).

Almost surely, 2^16775069 is an apocalyptic number.

It is an amenable number.

16775069 is a deficient number, since it is larger than the sum of its proper divisors (1).

16775069 is an equidigital number, since it uses as much as digits as its factorization.

16775069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 16775069 is about 4095.7379066537. The cubic root of 16775069 is about 255.9890793274.

The spelling of 16775069 in words is "sixteen million, seven hundred seventy-five thousand, sixty-nine".