16703149 has 2 divisors, whose sum is σ = 16703150. Its totient is φ = 16703148.

The previous prime is 16703143. The next prime is 16703161. The reversal of 16703149 is 94130761.

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., 13616100 + 3087049 = 3690^2 + 1757^2 .

It is a cyclic number.

It is not a de Polignac number, because 16703149 - 2⁵ = 16703117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16703149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16703143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8351574 + 8351575.

It is an arithmetic number, because the mean of its divisors is an integer number (8351575).

Almost surely, 2^16703149 is an apocalyptic number.

It is an amenable number.

16703149 is a deficient number, since it is larger than the sum of its proper divisors (1).

16703149 is an equidigital number, since it uses as much as digits as its factorization.

16703149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 16703149 is about 4086.9486172449. The cubic root of 16703149 is about 255.6227200136.

The spelling of 16703149 in words is "sixteen million, seven hundred three thousand, one hundred forty-nine".