16464253 has 8 divisors (see below), whose sum is σ = 17771096. Its totient is φ = 15163200.

The previous prime is 16464229. The next prime is 16464263. The reversal of 16464253 is 35246461.

It can be written as a sum of positive squares in 4 ways, for example, as 806404 + 15657849 = 898^2 + 3957^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-16464253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16464263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5863 + ... + 8203.

It is an arithmetic number, because the mean of its divisors is an integer number (2221387).

Almost surely, 2^16464253 is an apocalyptic number.

16464253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16464253 is a deficient number, since it is larger than the sum of its proper divisors (1306843).

16464253 is a wasteful number, since it uses less digits than its factorization.

16464253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895.

The product of its digits is 17280, while the sum is 31.

The square root of 16464253 is about 4057.6166649894. The cubic root of 16464253 is about 254.3981860837.

The spelling of 16464253 in words is "sixteen million, four hundred sixty-four thousand, two hundred fifty-three".