16081432 has 16 divisors (see below), whose sum is σ = 30335760. Its totient is φ = 7991904.

The previous prime is 16081423. The next prime is 16081487. The reversal of 16081432 is 23418061.

It is a super-2 number, since 2×16081432² = 517224910341248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16081397 and 16081406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4683 + ... + 7354.

It is an arithmetic number, because the mean of its divisors is an integer number (1895985).

Almost surely, 2^16081432 is an apocalyptic number.

It is an amenable number.

16081432 is a deficient number, since it is larger than the sum of its proper divisors (14254328).

16081432 is a wasteful number, since it uses less digits than its factorization.

16081432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12210 (or 12206 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 16081432 is about 4010.1660813488. The cubic root of 16081432 is about 252.4109779960.

Adding to 16081432 its reverse (23418061), we get a palindrome (39499493).

The spelling of 16081432 in words is "sixteen million, eighty-one thousand, four hundred thirty-two".