16364805 has 16 divisors (see below), whose sum is σ = 26234880. Its totient is φ = 8710848.

The previous prime is 16364791. The next prime is 16364827. The reversal of 16364805 is 50846361.

It is not a de Polignac number, because 16364805 - 2⁶ = 16364741 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 12156 + ... + 13434.

It is an arithmetic number, because the mean of its divisors is an integer number (1639680).

Almost surely, 2^16364805 is an apocalyptic number.

16364805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16364805 is a deficient number, since it is larger than the sum of its proper divisors (9870075).

16364805 is a wasteful number, since it uses less digits than its factorization.

16364805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 16364805 is about 4045.3436195211. The cubic root of 16364805 is about 253.8849428258.

It can be divided in two parts, 1636 and 4805, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 16364805 in words is "sixteen million, three hundred sixty-four thousand, eight hundred five".