16332745 has 32 divisors (see below), whose sum is σ = 23514624. Its totient is φ = 10732800.

The previous prime is 16332739. The next prime is 16332781. The reversal of 16332745 is 54723361.

It is not a de Polignac number, because 16332745 - 2¹⁷ = 16201673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37680 + ... + 38110.

It is an arithmetic number, because the mean of its divisors is an integer number (734832).

Almost surely, 2^16332745 is an apocalyptic number.

It is an amenable number.

16332745 is a deficient number, since it is larger than the sum of its proper divisors (7181879).

16332745 is a wasteful number, since it uses less digits than its factorization.

16332745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513.

The product of its digits is 15120, while the sum is 31.

The square root of 16332745 is about 4041.3790962987. The cubic root of 16332745 is about 253.7190406064.

The spelling of 16332745 in words is "sixteen million, three hundred thirty-two thousand, seven hundred forty-five".