16364429 has 4 divisors (see below), whose sum is σ = 16388220. Its totient is φ = 16340640.

The previous prime is 16364419. The next prime is 16364437. The reversal of 16364429 is 92446361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4818025 + 11546404 = 2195^2 + 3398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16364429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16364419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10832 + ... + 12249.

It is an arithmetic number, because the mean of its divisors is an integer number (4097055).

Almost surely, 2^16364429 is an apocalyptic number.

It is an amenable number.

16364429 is a deficient number, since it is larger than the sum of its proper divisors (23791).

16364429 is an equidigital number, since it uses as much as digits as its factorization.

16364429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23790.

The product of its digits is 31104, while the sum is 35.

The square root of 16364429 is about 4045.2971460697. The cubic root of 16364429 is about 253.8829983792.

The spelling of 16364429 in words is "sixteen million, three hundred sixty-four thousand, four hundred twenty-nine".