16452641 has 4 divisors (see below), whose sum is σ = 16606512. Its totient is φ = 16298772.

The previous prime is 16452637. The next prime is 16452643. The reversal of 16452641 is 14625461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14625461 = 43 ⋅340127.

It is a cyclic number.

It is not a de Polignac number, because 16452641 - 2² = 16452637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16452643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76775 + ... + 76988.

It is an arithmetic number, because the mean of its divisors is an integer number (4151628).

Almost surely, 2^16452641 is an apocalyptic number.

It is an amenable number.

16452641 is a deficient number, since it is larger than the sum of its proper divisors (153871).

16452641 is a wasteful number, since it uses less digits than its factorization.

16452641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153870.

The product of its digits is 5760, while the sum is 29.

The square root of 16452641 is about 4056.1855233704. The cubic root of 16452641 is about 254.3383642281.

The spelling of 16452641 in words is "sixteen million, four hundred fifty-two thousand, six hundred forty-one".