16766077 has 2 divisors, whose sum is σ = 16766078. Its totient is φ = 16766076.

The previous prime is 16766059. The next prime is 16766081. The reversal of 16766077 is 77066761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15452761 + 1313316 = 3931^2 + 1146^2 .

It is an emirp because it is prime and its reverse (77066761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16766077 - 2¹⁵ = 16733309 is a prime.

It is a super-2 number, since 2×16766077² = 562202675939858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16766027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8383038 + 8383039.

It is an arithmetic number, because the mean of its divisors is an integer number (8383039).

Almost surely, 2^16766077 is an apocalyptic number.

It is an amenable number.

16766077 is a deficient number, since it is larger than the sum of its proper divisors (1).

16766077 is an equidigital number, since it uses as much as digits as its factorization.

16766077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 16766077 is about 4094.6400330188. The cubic root of 16766077 is about 255.9433315730.

The spelling of 16766077 in words is "sixteen million, seven hundred sixty-six thousand, seventy-seven".