16464452 has 12 divisors (see below), whose sum is σ = 29515836. Its totient is φ = 8031360.

The previous prime is 16464451. The next prime is 16464463. The reversal of 16464452 is 25446461.

It can be written as a sum of positive squares in 2 ways, for example, as 3748096 + 12716356 = 1936^2 + 3566^2 .

It is not an unprimeable number, because it can be changed into a prime (16464451) 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, 50033 + ... + 50360.

It is an arithmetic number, because the mean of its divisors is an integer number (2459653).

Almost surely, 2^16464452 is an apocalyptic number.

It is an amenable number.

16464452 is a deficient number, since it is larger than the sum of its proper divisors (13051384).

16464452 is a wasteful number, since it uses less digits than its factorization.

16464452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100438 (or 100436 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 16464452 is about 4057.6411866995. The cubic root of 16464452 is about 254.3992110322.

Subtracting 16464452 from its reverse (25446461), we obtain a square (8982009 = 2997²).

The spelling of 16464452 in words is "sixteen million, four hundred sixty-four thousand, four hundred fifty-two".