16340919 has 16 divisors (see below), whose sum is σ = 25509120. Its totient is φ = 9109440.

The previous prime is 16340899. The next prime is 16340983. The reversal of 16340919 is 91904361.

It is not a de Polignac number, because 16340919 - 2⁵ = 16340887 is a prime.

It is a super-2 number, since 2×16340919² = 534051267529122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16340919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16342919) 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 15 ways as a sum of consecutive naturals, for example, 8629 + ... + 10350.

It is an arithmetic number, because the mean of its divisors is an integer number (1594320).

Almost surely, 2^16340919 is an apocalyptic number.

16340919 is a deficient number, since it is larger than the sum of its proper divisors (9168201).

16340919 is a wasteful number, since it uses less digits than its factorization.

16340919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19030.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 16340919 is about 4042.3902582507. The cubic root of 16340919 is about 253.7613595503.

The spelling of 16340919 in words is "sixteen million, three hundred forty thousand, nine hundred nineteen".