16393632 has 24 divisors (see below), whose sum is σ = 43033536. Its totient is φ = 5464512.

The previous prime is 16393609. The next prime is 16393639. The reversal of 16393632 is 23639361.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16393593 and 16393602.

It is not an unprimeable number, because it can be changed into a prime (16393639) 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, 85288 + ... + 85479.

It is an arithmetic number, because the mean of its divisors is an integer number (1793064).

Almost surely, 2^16393632 is an apocalyptic number.

16393632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16393632 is an abundant number, since it is smaller than the sum of its proper divisors (26639904).

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

16393632 is a wasteful number, since it uses less digits than its factorization.

16393632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170780 (or 170772 counting only the distinct ones).

The product of its digits is 17496, while the sum is 33.

The square root of 16393632 is about 4048.9050371675. The cubic root of 16393632 is about 254.0339302018.

The spelling of 16393632 in words is "sixteen million, three hundred ninety-three thousand, six hundred thirty-two".