16701623 has 2 divisors, whose sum is σ = 16701624. Its totient is φ = 16701622.

The previous prime is 16701577. The next prime is 16701631. The reversal of 16701623 is 32610761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16701623 - 2¹⁴ = 16685239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16701592 and 16701601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16700623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8350811 + 8350812.

It is an arithmetic number, because the mean of its divisors is an integer number (8350812).

Almost surely, 2^16701623 is an apocalyptic number.

16701623 is a deficient number, since it is larger than the sum of its proper divisors (1).

16701623 is an equidigital number, since it uses as much as digits as its factorization.

16701623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 16701623 is about 4086.7619211302. The cubic root of 16701623 is about 255.6149352111.

The spelling of 16701623 in words is "sixteen million, seven hundred one thousand, six hundred twenty-three".