16464429 has 12 divisors (see below), whose sum is σ = 24288576. Its totient is φ = 10742472.

The previous prime is 16464421. The next prime is 16464443. The reversal of 16464429 is 92446461.

16464429 is a `hidden beast` number, since 1 + 6 + 4 + 644 + 2 + 9 = 666.

It is not a de Polignac number, because 16464429 - 2³ = 16464421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16464393 and 16464402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16464421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19039 + ... + 19884.

It is an arithmetic number, because the mean of its divisors is an integer number (2024048).

Almost surely, 2^16464429 is an apocalyptic number.

It is an amenable number.

16464429 is a deficient number, since it is larger than the sum of its proper divisors (7824147).

16464429 is a wasteful number, since it uses less digits than its factorization.

16464429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38976 (or 38973 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 16464429 is about 4057.6383525396. The cubic root of 16464429 is about 254.3990925712.

The spelling of 16464429 in words is "sixteen million, four hundred sixty-four thousand, four hundred twenty-nine".