16149232 has 20 divisors (see below), whose sum is σ = 34133976. Its totient is φ = 7340480.

The previous prime is 16149229. The next prime is 16149251. The reversal of 16149232 is 23294161.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 16149232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45703 + ... + 46054.

Almost surely, 2^16149232 is an apocalyptic number.

It is an amenable number.

16149232 is an abundant number, since it is smaller than the sum of its proper divisors (17984744).

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

16149232 is a wasteful number, since it uses less digits than its factorization.

16149232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91776 (or 91770 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 16149232 is about 4018.6107052065. The cubic root of 16149232 is about 252.7652057812.

Subtracting 16149232 from its reverse (23294161), we obtain a square (7144929 = 2673²).

The spelling of 16149232 in words is "sixteen million, one hundred forty-nine thousand, two hundred thirty-two".