16629144 has 96 divisors (see below), whose sum is σ = 49570560. Its totient is φ = 4553280.

The previous prime is 16629127. The next prime is 16629163. The reversal of 16629144 is 44192661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161397 + ... + 161499.

It is an arithmetic number, because the mean of its divisors is an integer number (516360).

Almost surely, 2^16629144 is an apocalyptic number.

16629144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16629144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24785280).

16629144 is an abundant number, since it is smaller than the sum of its proper divisors (32941416).

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

16629144 is a wasteful number, since it uses less digits than its factorization.

16629144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 146 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 16629144 is about 4077.8847457965. The cubic root of 16629144 is about 255.2446402716.

The spelling of 16629144 in words is "sixteen million, six hundred twenty-nine thousand, one hundred forty-four".