16977133 has 2 divisors, whose sum is σ = 16977134. Its totient is φ = 16977132.

The previous prime is 16977113. The next prime is 16977143. The reversal of 16977133 is 33177961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9259849 + 7717284 = 3043^2 + 2778^2 .

It is a cyclic number.

It is not a de Polignac number, because 16977133 - 2⁹ = 16976621 is a prime.

It is a super-4 number, since 4×16977133⁴ (a number of 30 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16977092 and 16977101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16977113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8488566 + 8488567.

It is an arithmetic number, because the mean of its divisors is an integer number (8488567).

Almost surely, 2^16977133 is an apocalyptic number.

It is an amenable number.

16977133 is a deficient number, since it is larger than the sum of its proper divisors (1).

16977133 is an equidigital number, since it uses as much as digits as its factorization.

16977133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 37.

The square root of 16977133 is about 4120.3316614079. The cubic root of 16977133 is about 257.0128181265.

The spelling of 16977133 in words is "sixteen million, nine hundred seventy-seven thousand, one hundred thirty-three".