16419436 has 24 divisors (see below), whose sum is σ = 31659264. Its totient is φ = 7388880.

The previous prime is 16419419. The next prime is 16419451. The reversal of 16419436 is 63491461.

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 7 ways as a sum of consecutive naturals, for example, 2721 + ... + 6343.

It is an arithmetic number, because the mean of its divisors is an integer number (1319136).

Almost surely, 2^16419436 is an apocalyptic number.

It is an amenable number.

16419436 is a deficient number, since it is larger than the sum of its proper divisors (15239828).

16419436 is a wasteful number, since it uses less digits than its factorization.

16419436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741 (or 3739 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 16419436 is about 4052.0903247583. The cubic root of 16419436 is about 254.1671456529.

It can be divided in two parts, 164 and 19436, that added together give a square (19600 = 140²).

The spelling of 16419436 in words is "sixteen million, four hundred nineteen thousand, four hundred thirty-six".