16755585389 has 2 divisors, whose sum is σ = 16755585390. Its totient is φ = 16755585388.

The previous prime is 16755585337. The next prime is 16755585419. The reversal of 16755585389 is 98358555761.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16755231364 + 354025 = 129442^2 + 595^2 .

It is a cyclic number.

It is not a de Polignac number, because 16755585389 - 2¹⁶ = 16755519853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16755185389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8377792694 + 8377792695.

It is an arithmetic number, because the mean of its divisors is an integer number (8377792695).

Almost surely, 2^16755585389 is an apocalyptic number.

It is an amenable number.

16755585389 is a deficient number, since it is larger than the sum of its proper divisors (1).

16755585389 is an equidigital number, since it uses as much as digits as its factorization.

16755585389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360000, while the sum is 62.

The spelling of 16755585389 in words is "sixteen billion, seven hundred fifty-five million, five hundred eighty-five thousand, three hundred eighty-nine".