16880737 has 2 divisors, whose sum is σ = 16880738. Its totient is φ = 16880736.

The previous prime is 16880723. The next prime is 16880741. The reversal of 16880737 is 73708861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14371681 + 2509056 = 3791^2 + 1584^2 .

It is an emirp because it is prime and its reverse (73708861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16880737 - 2¹¹ = 16878689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16880737.

It is not a weakly prime, because it can be changed into another prime (16880707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8440368 + 8440369.

It is an arithmetic number, because the mean of its divisors is an integer number (8440369).

Almost surely, 2^16880737 is an apocalyptic number.

It is an amenable number.

16880737 is a deficient number, since it is larger than the sum of its proper divisors (1).

16880737 is an equidigital number, since it uses as much as digits as its factorization.

16880737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 16880737 is about 4108.6174073525. The cubic root of 16880737 is about 256.5254557659.

The spelling of 16880737 in words is "sixteen million, eight hundred eighty thousand, seven hundred thirty-seven".