16320733 has 16 divisors (see below), whose sum is σ = 19498752. Its totient is φ = 13464000.

The previous prime is 16320727. The next prime is 16320739. The reversal of 16320733 is 33702361.

It is an interprime number because it is at equal distance from previous prime (16320727) and next prime (16320739).

It is a de Polignac number, because none of the positive numbers 2^k-16320733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16320698 and 16320707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16320739) 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 15 ways as a sum of consecutive naturals, for example, 7788 + ... + 9658.

It is an arithmetic number, because the mean of its divisors is an integer number (1218672).

Almost surely, 2^16320733 is an apocalyptic number.

16320733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16320733 is a deficient number, since it is larger than the sum of its proper divisors (3178019).

16320733 is a wasteful number, since it uses less digits than its factorization.

16320733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 16320733 is about 4039.8926965948. The cubic root of 16320733 is about 253.6568257008.

The spelling of 16320733 in words is "sixteen million, three hundred twenty thousand, seven hundred thirty-three".