16472641 has 2 divisors, whose sum is σ = 16472642. Its totient is φ = 16472640.

The previous prime is 16472633. The next prime is 16472647. The reversal of 16472641 is 14627461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14470416 + 2002225 = 3804^2 + 1415^2 .

It is a cyclic number.

It is not a de Polignac number, because 16472641 - 2³ = 16472633 is a prime.

It is not a weakly prime, because it can be changed into another prime (16472647) 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 as a sum of consecutive naturals, namely, 8236320 + 8236321.

It is an arithmetic number, because the mean of its divisors is an integer number (8236321).

Almost surely, 2^16472641 is an apocalyptic number.

It is an amenable number.

16472641 is a deficient number, since it is larger than the sum of its proper divisors (1).

16472641 is an equidigital number, since it uses as much as digits as its factorization.

16472641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 16472641 is about 4058.6501450605. The cubic root of 16472641 is about 254.4413812756.

The spelling of 16472641 in words is "sixteen million, four hundred seventy-two thousand, six hundred forty-one".