16766451287 has 2 divisors, whose sum is σ = 16766451288. Its totient is φ = 16766451286.

The previous prime is 16766451283. The next prime is 16766451293. The reversal of 16766451287 is 78215466761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16766451287 - 2² = 16766451283 is a prime.

It is a super-2 number, since 2×16766451287² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16766451283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8383225643 + 8383225644.

It is an arithmetic number, because the mean of its divisors is an integer number (8383225644).

Almost surely, 2^16766451287 is an apocalyptic number.

16766451287 is a deficient number, since it is larger than the sum of its proper divisors (1).

16766451287 is an equidigital number, since it uses as much as digits as its factorization.

16766451287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 53.

The spelling of 16766451287 in words is "sixteen billion, seven hundred sixty-six million, four hundred fifty-one thousand, two hundred eighty-seven".