16144656 has 40 divisors (see below), whose sum is σ = 45500064. Its totient is φ = 4892160.

The previous prime is 16144637. The next prime is 16144673. The reversal of 16144656 is 65644161.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14761 + ... + 15816.

Almost surely, 2^16144656 is an apocalyptic number.

16144656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16144656 is an abundant number, since it is smaller than the sum of its proper divisors (29355408).

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

16144656 is a wasteful number, since it uses less digits than its factorization.

16144656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30599 (or 30593 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 16144656 is about 4018.0413138742. The cubic root of 16144656 is about 252.7413292516.

The spelling of 16144656 in words is "sixteen million, one hundred forty-four thousand, six hundred fifty-six".