16416731 has 2 divisors, whose sum is σ = 16416732. Its totient is φ = 16416730.

The previous prime is 16416721. The next prime is 16416737. The reversal of 16416731 is 13761461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16416731 - 2⁶ = 16416667 is a prime.

It is a super-2 number, since 2×16416731² = 539018113452722, 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 = 16416694 and 16416703.

It is not a weakly prime, because it can be changed into another prime (16416737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8208365 + 8208366.

It is an arithmetic number, because the mean of its divisors is an integer number (8208366).

Almost surely, 2^16416731 is an apocalyptic number.

16416731 is a deficient number, since it is larger than the sum of its proper divisors (1).

16416731 is an equidigital number, since it uses as much as digits as its factorization.

16416731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 16416731 is about 4051.7565326658. The cubic root of 16416731 is about 254.1531874007.

The spelling of 16416731 in words is "sixteen million, four hundred sixteen thousand, seven hundred thirty-one".