16396554 has 8 divisors (see below), whose sum is σ = 32793120. Its totient is φ = 5465516.

The previous prime is 16396553. The next prime is 16396591. The reversal of 16396554 is 45569361.

It is a sphenic number, since it is the product of 3 distinct primes.

16396554 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16396553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366374 + ... + 1366385.

It is an arithmetic number, because the mean of its divisors is an integer number (4099140).

Almost surely, 2^16396554 is an apocalyptic number.

16396554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16396554 is a wasteful number, since it uses less digits than its factorization.

16396554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732764.

The product of its digits is 97200, while the sum is 39.

The square root of 16396554 is about 4049.2658593874. The cubic root of 16396554 is about 254.0490223028.

The spelling of 16396554 in words is "sixteen million, three hundred ninety-six thousand, five hundred fifty-four".