16100813 has 2 divisors, whose sum is σ = 16100814. Its totient is φ = 16100812.

The previous prime is 16100797. The next prime is 16100827. The reversal of 16100813 is 31800161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10156969 + 5943844 = 3187^2 + 2438^2 .

It is an emirp because it is prime and its reverse (31800161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16100813 - 2⁴ = 16100797 is a prime.

It is a Chen prime.

16100813 is a modest number, since divided by 813 gives 161 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16100213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8050406 + 8050407.

It is an arithmetic number, because the mean of its divisors is an integer number (8050407).

Almost surely, 2^16100813 is an apocalyptic number.

It is an amenable number.

16100813 is a deficient number, since it is larger than the sum of its proper divisors (1).

16100813 is an equidigital number, since it uses as much as digits as its factorization.

16100813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 16100813 is about 4012.5818371717. The cubic root of 16100813 is about 252.5123374033.

Adding to 16100813 its reverse (31800161), we get a palindrome (47900974).

The spelling of 16100813 in words is "sixteen million, one hundred thousand, eight hundred thirteen".