16091372 has 24 divisors (see below), whose sum is σ = 30873360. Its totient is φ = 7277760.

The previous prime is 16091371. The next prime is 16091377. The reversal of 16091372 is 27319061.

It is not an unprimeable number, because it can be changed into a prime (16091371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9278 + ... + 10874.

It is an arithmetic number, because the mean of its divisors is an integer number (1286390).

Almost surely, 2^16091372 is an apocalyptic number.

It is an amenable number.

16091372 is a deficient number, since it is larger than the sum of its proper divisors (14781988).

16091372 is a wasteful number, since it uses less digits than its factorization.

16091372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841 (or 1839 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 16091372 is about 4011.4052400624. The cubic root of 16091372 is about 252.4629727099.

The spelling of 16091372 in words is "sixteen million, ninety-one thousand, three hundred seventy-two".