16946357 has 2 divisors, whose sum is σ = 16946358. Its totient is φ = 16946356.

The previous prime is 16946341. The next prime is 16946381. The reversal of 16946357 is 75364961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9156676 + 7789681 = 3026^2 + 2791^2 .

It is a cyclic number.

It is not a de Polignac number, because 16946357 - 2⁴ = 16946341 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16946317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8473178 + 8473179.

It is an arithmetic number, because the mean of its divisors is an integer number (8473179).

Almost surely, 2^16946357 is an apocalyptic number.

It is an amenable number.

16946357 is a deficient number, since it is larger than the sum of its proper divisors (1).

16946357 is an equidigital number, since it uses as much as digits as its factorization.

16946357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 16946357 is about 4116.5953165207. The cubic root of 16946357 is about 256.8574206490.

The spelling of 16946357 in words is "sixteen million, nine hundred forty-six thousand, three hundred fifty-seven".