16107432 has 128 divisors (see below), whose sum is σ = 48263040. Its totient is φ = 4423680.

The previous prime is 16107409. The next prime is 16107433. The reversal of 16107432 is 23470161.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is not an unprimeable number, because it can be changed into a prime (16107433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166008 + ... + 166104.

It is an arithmetic number, because the mean of its divisors is an integer number (377055).

Almost surely, 2^16107432 is an apocalyptic number.

16107432 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 16107432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24131520).

16107432 is an abundant number, since it is smaller than the sum of its proper divisors (32155608).

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

16107432 is a wasteful number, since it uses less digits than its factorization.

16107432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 16107432 is about 4013.4065331088. The cubic root of 16107432 is about 252.5469350388.

Adding to 16107432 its reverse (23470161), we get a palindrome (39577593).

The spelling of 16107432 in words is "sixteen million, one hundred seven thousand, four hundred thirty-two".