16880761 has 2 divisors, whose sum is σ = 16880762. Its totient is φ = 16880760.

The previous prime is 16880753. The next prime is 16880783. The reversal of 16880761 is 16708861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9884736 + 6996025 = 3144^2 + 2645^2 .

It is a cyclic number.

It is not a de Polignac number, because 16880761 - 2³ = 16880753 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16880761.

It is not a weakly prime, because it can be changed into another prime (16880701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8440380 + 8440381.

It is an arithmetic number, because the mean of its divisors is an integer number (8440381).

Almost surely, 2^16880761 is an apocalyptic number.

It is an amenable number.

16880761 is a deficient number, since it is larger than the sum of its proper divisors (1).

16880761 is an equidigital number, since it uses as much as digits as its factorization.

16880761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 16880761 is about 4108.6203280420. The cubic root of 16880761 is about 256.5255773366.

The spelling of 16880761 in words is "sixteen million, eight hundred eighty thousand, seven hundred sixty-one".