16330856357 has 2 divisors, whose sum is σ = 16330856358. Its totient is φ = 16330856356.

The previous prime is 16330856317. The next prime is 16330856413. The reversal of 16330856357 is 75365803361.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16326195076 + 4661281 = 127774^2 + 2159^2 .

It is a cyclic number.

It is not a de Polignac number, because 16330856357 - 2⁶ = 16330856293 is a prime.

It is a super-2 number, since 2×16330856357² (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 (16330856317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8165428178 + 8165428179.

It is an arithmetic number, because the mean of its divisors is an integer number (8165428179).

Almost surely, 2^16330856357 is an apocalyptic number.

It is an amenable number.

16330856357 is a deficient number, since it is larger than the sum of its proper divisors (1).

16330856357 is an equidigital number, since it uses as much as digits as its factorization.

16330856357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 16330856357 in words is "sixteen billion, three hundred thirty million, eight hundred fifty-six thousand, three hundred fifty-seven".