16696331 has 2 divisors, whose sum is σ = 16696332. Its totient is φ = 16696330.

The previous prime is 16696313. The next prime is 16696349. The reversal of 16696331 is 13369661.

Together with previous prime (16696313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (16696313) and next prime (16696349).

It is a cyclic number.

It is not a de Polignac number, because 16696331 - 2¹⁴ = 16679947 is a prime.

It is a super-2 number, since 2×16696331² = 557534937723122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16696291 and 16696300.

It is not a weakly prime, because it can be changed into another prime (16696391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8348165 + 8348166.

It is an arithmetic number, because the mean of its divisors is an integer number (8348166).

Almost surely, 2^16696331 is an apocalyptic number.

16696331 is a deficient number, since it is larger than the sum of its proper divisors (1).

16696331 is an equidigital number, since it uses as much as digits as its factorization.

16696331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 35.

The square root of 16696331 is about 4086.1144134740. The cubic root of 16696331 is about 255.5879346987.

It can be divided in two parts, 1669 and 6331, that added together give a cube (8000 = 20³).

The spelling of 16696331 in words is "sixteen million, six hundred ninety-six thousand, three hundred thirty-one".