16648031 has 2 divisors, whose sum is σ = 16648032. Its totient is φ = 16648030.

The previous prime is 16648003. The next prime is 16648043. The reversal of 16648031 is 13084661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16648031 - 2¹⁴ = 16631647 is a prime.

It is a super-2 number, since 2×16648031² = 554313872353922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16647985 and 16648003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16648061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8324015 + 8324016.

It is an arithmetic number, because the mean of its divisors is an integer number (8324016).

Almost surely, 2^16648031 is an apocalyptic number.

16648031 is a deficient number, since it is larger than the sum of its proper divisors (1).

16648031 is an equidigital number, since it uses as much as digits as its factorization.

16648031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 16648031 is about 4080.1998725553. The cubic root of 16648031 is about 255.3412373775.

The spelling of 16648031 in words is "sixteen million, six hundred forty-eight thousand, thirty-one".