16880889737 has 2 divisors, whose sum is σ = 16880889738. Its totient is φ = 16880889736.

The previous prime is 16880889719. The next prime is 16880889797. The reversal of 16880889737 is 73798808861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13123077136 + 3757812601 = 114556^2 + 61301^2 .

It is an emirp because it is prime and its reverse (73798808861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16880889737 - 2¹⁴ = 16880873353 is a prime.

It is not a weakly prime, because it can be changed into another prime (16880889797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8440444868 + 8440444869.

It is an arithmetic number, because the mean of its divisors is an integer number (8440444869).

Almost surely, 2^16880889737 is an apocalyptic number.

It is an amenable number.

16880889737 is a deficient number, since it is larger than the sum of its proper divisors (1).

16880889737 is an equidigital number, since it uses as much as digits as its factorization.

16880889737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32514048, while the sum is 65.

The spelling of 16880889737 in words is "sixteen billion, eight hundred eighty million, eight hundred eighty-nine thousand, seven hundred thirty-seven".