16996501 has 2 divisors, whose sum is σ = 16996502. Its totient is φ = 16996500.

The previous prime is 16996489. The next prime is 16996531. The reversal of 16996501 is 10569961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12773476 + 4223025 = 3574^2 + 2055^2 .

It is a cyclic number.

It is not a de Polignac number, because 16996501 - 2⁹ = 16995989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16996531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8498250 + 8498251.

It is an arithmetic number, because the mean of its divisors is an integer number (8498251).

Almost surely, 2^16996501 is an apocalyptic number.

It is an amenable number.

16996501 is a deficient number, since it is larger than the sum of its proper divisors (1).

16996501 is an equidigital number, since it uses as much as digits as its factorization.

16996501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 16996501 is about 4122.6812877059. The cubic root of 16996501 is about 257.1105168470.

The spelling of 16996501 in words is "sixteen million, nine hundred ninety-six thousand, five hundred one".