16201456213 has 4 divisors (see below), whose sum is σ = 16206340960. Its totient is φ = 16196571468.

The previous prime is 16201456171. The next prime is 16201456267. The reversal of 16201456213 is 31265410261.

It is a happy number.

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: 31265410261 = 71 ⋅440357891.

It is a cyclic number.

It is not a de Polignac number, because 16201456213 - 2⁹ = 16201455701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16201456613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2437395 + ... + 2444032.

It is an arithmetic number, because the mean of its divisors is an integer number (4051585240).

Almost surely, 2^16201456213 is an apocalyptic number.

It is an amenable number.

16201456213 is a deficient number, since it is larger than the sum of its proper divisors (4884747).

16201456213 is an equidigital number, since it uses as much as digits as its factorization.

16201456213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4884746.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 16201456213 its reverse (31265410261), we get a palindrome (47466866474).

The spelling of 16201456213 in words is "sixteen billion, two hundred one million, four hundred fifty-six thousand, two hundred thirteen".