16634044 has 24 divisors (see below), whose sum is σ = 35020160. Its totient is φ = 6753456.

The previous prime is 16634027. The next prime is 16634071. The reversal of 16634044 is 44043661.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15102 + ... + 16165.

Almost surely, 2^16634044 is an apocalyptic number.

16634044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16634044 is an abundant number, since it is smaller than the sum of its proper divisors (18386116).

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

16634044 is a wasteful number, since it uses less digits than its factorization.

16634044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31297 (or 31295 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 16634044 is about 4078.4855032230. The cubic root of 16634044 is about 255.2697082268.

The spelling of 16634044 in words is "sixteen million, six hundred thirty-four thousand, forty-four".