16729965 has 48 divisors (see below), whose sum is σ = 33441408. Its totient is φ = 7579008.

The previous prime is 16729963. The next prime is 16729991. The reversal of 16729965 is 56992761.

It is a happy number.

It is not a de Polignac number, because 16729965 - 2¹ = 16729963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16729965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16729961) 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 in 47 ways as a sum of consecutive naturals, for example, 54342 + ... + 54648.

It is an arithmetic number, because the mean of its divisors is an integer number (696696).

Almost surely, 2^16729965 is an apocalyptic number.

16729965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16729965 is a deficient number, since it is larger than the sum of its proper divisors (16711443).

16729965 is a wasteful number, since it uses less digits than its factorization.

16729965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 495 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 16729965 is about 4090.2279887556. The cubic root of 16729965 is about 255.7594430112.

The spelling of 16729965 in words is "sixteen million, seven hundred twenty-nine thousand, nine hundred sixty-five".