16197456 has 40 divisors (see below), whose sum is σ = 45648864. Its totient is φ = 4908160.

The previous prime is 16197421. The next prime is 16197479. The reversal of 16197456 is 65479161.

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, 14811 + ... + 15866.

Almost surely, 2^16197456 is an apocalyptic number.

16197456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16197456 is an abundant number, since it is smaller than the sum of its proper divisors (29451408).

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

16197456 is a wasteful number, since it uses less digits than its factorization.

16197456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30699 (or 30693 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 16197456 is about 4024.6063161507. The cubic root of 16197456 is about 253.0165538805.

It can be divided in two parts, 16197 and 456, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 16197456 in words is "sixteen million, one hundred ninety-seven thousand, four hundred fifty-six".