16432745 has 16 divisors (see below), whose sum is σ = 22602240. Its totient is φ = 11235264.

The previous prime is 16432733. The next prime is 16432747. The reversal of 16432745 is 54723461.

It is a cyclic number.

It is not a de Polignac number, because 16432745 - 2⁶ = 16432681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16432747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22496 + ... + 23214.

It is an arithmetic number, because the mean of its divisors is an integer number (1412640).

Almost surely, 2^16432745 is an apocalyptic number.

It is an amenable number.

16432745 is a deficient number, since it is larger than the sum of its proper divisors (6169495).

16432745 is an equidigital number, since it uses as much as digits as its factorization.

16432745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384.

The product of its digits is 20160, while the sum is 32.

The square root of 16432745 is about 4053.7322309200. The cubic root of 16432745 is about 254.2358000002.

The spelling of 16432745 in words is "sixteen million, four hundred thirty-two thousand, seven hundred forty-five".