16464072 has 16 divisors (see below), whose sum is σ = 41160240. Its totient is φ = 5488016.

The previous prime is 16464061. The next prime is 16464073. The reversal of 16464072 is 27046461.

It is not an unprimeable number, because it can be changed into a prime (16464073) 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 3 ways as a sum of consecutive naturals, for example, 342978 + ... + 343025.

It is an arithmetic number, because the mean of its divisors is an integer number (2572515).

Almost surely, 2^16464072 is an apocalyptic number.

16464072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16464072 is an abundant number, since it is smaller than the sum of its proper divisors (24696168).

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

16464072 is a wasteful number, since it uses less digits than its factorization.

16464072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686012 (or 686008 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 16464072 is about 4057.5943611948. The cubic root of 16464072 is about 254.3972538369.

The spelling of 16464072 in words is "sixteen million, four hundred sixty-four thousand, seventy-two".