16149432 has 64 divisors (see below), whose sum is σ = 43868160. Its totient is φ = 4924800.

The previous prime is 16149431. The next prime is 16149451. The reversal of 16149432 is 23494161.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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 16149432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16149431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59457 + ... + 59727.

It is an arithmetic number, because the mean of its divisors is an integer number (685440).

Almost surely, 2^16149432 is an apocalyptic number.

16149432 is a gapful number since it is divisible by the number (12) 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 16149432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21934080).

16149432 is an abundant number, since it is smaller than the sum of its proper divisors (27718728).

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

16149432 is a wasteful number, since it uses less digits than its factorization.

16149432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 480 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 16149432 is about 4018.6355893512. The cubic root of 16149432 is about 252.7662492329.

The spelling of 16149432 in words is "sixteen million, one hundred forty-nine thousand, four hundred thirty-two".