16493801 has 2 divisors, whose sum is σ = 16493802. Its totient is φ = 16493800.

The previous prime is 16493773. The next prime is 16493821. The reversal of 16493801 is 10839461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16483600 + 10201 = 4060^2 + 101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16493801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16493821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8246900 + 8246901.

It is an arithmetic number, because the mean of its divisors is an integer number (8246901).

Almost surely, 2^16493801 is an apocalyptic number.

It is an amenable number.

16493801 is a deficient number, since it is larger than the sum of its proper divisors (1).

16493801 is an equidigital number, since it uses as much as digits as its factorization.

16493801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 16493801 is about 4061.2560864836. The cubic root of 16493801 is about 254.5502825731.

The spelling of 16493801 in words is "sixteen million, four hundred ninety-three thousand, eight hundred one".