16499929 has 2 divisors, whose sum is σ = 16499930. Its totient is φ = 16499928.

The previous prime is 16499897. The next prime is 16499933. The reversal of 16499929 is 92999461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16418704 + 81225 = 4052^2 + 285^2 .

It is a cyclic number.

It is not a de Polignac number, because 16499929 - 2⁵ = 16499897 is a prime.

It is not a weakly prime, because it can be changed into another prime (16499939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8249964 + 8249965.

It is an arithmetic number, because the mean of its divisors is an integer number (8249965).

Almost surely, 2^16499929 is an apocalyptic number.

It is an amenable number.

16499929 is a deficient number, since it is larger than the sum of its proper divisors (1).

16499929 is an equidigital number, since it uses as much as digits as its factorization.

16499929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 49.

The square root of 16499929 is about 4062.0104628127. The cubic root of 16499929 is about 254.5818033242.

The spelling of 16499929 in words is "sixteen million, four hundred ninety-nine thousand, nine hundred twenty-nine".