16389496 has 16 divisors (see below), whose sum is σ = 32538240. Its totient is φ = 7712640.

The previous prime is 16389491. The next prime is 16389497. The reversal of 16389496 is 69498361.

16389496 = T₃₃₀₄ + T₃₃₀₅ + T₃₃₀₆.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16389491) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 60120 + ... + 60391.

It is an arithmetic number, because the mean of its divisors is an integer number (2033640).

Almost surely, 2^16389496 is an apocalyptic number.

16389496 is the 3306-th centered triangular number.

It is an amenable number.

16389496 is a deficient number, since it is larger than the sum of its proper divisors (16148744).

16389496 is a wasteful number, since it uses less digits than its factorization.

16389496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120534 (or 120530 counting only the distinct ones).

The product of its digits is 279936, while the sum is 46.

The square root of 16389496 is about 4048.3942495760. The cubic root of 16389496 is about 254.0125647369.

It can be divided in two parts, 1638949 and 6, that added together give a triangular number (1638955 = T₁₈₁₀).

The spelling of 16389496 in words is "sixteen million, three hundred eighty-nine thousand, four hundred ninety-six".