16401932 has 12 divisors (see below), whose sum is σ = 29097096. Its totient is φ = 8088480.

The previous prime is 16401911. The next prime is 16401937. The reversal of 16401932 is 23910461.

It is not an unprimeable number, because it can be changed into a prime (16401937) by changing a digit.

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, 27794 + ... + 28377.

It is an arithmetic number, because the mean of its divisors is an integer number (2424758).

Almost surely, 2^16401932 is an apocalyptic number.

It is an amenable number.

16401932 is a deficient number, since it is larger than the sum of its proper divisors (12695164).

16401932 is a wasteful number, since it uses less digits than its factorization.

16401932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56248 (or 56246 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 16401932 is about 4049.9298759361. The cubic root of 16401932 is about 254.0767949329.

The spelling of 16401932 in words is "sixteen million, four hundred one thousand, nine hundred thirty-two".