16442360213 has 4 divisors (see below), whose sum is σ = 16547088780. Its totient is φ = 16337631648.

The previous prime is 16442360141. The next prime is 16442360243. The reversal of 16442360213 is 31206324461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31206324461 = 13 ⋅2400486497.

It can be written as a sum of positive squares in 2 ways, for example, as 9076944529 + 7365415684 = 95273^2 + 85822^2 .

It is a cyclic number.

It is not a de Polignac number, because 16442360213 - 2¹⁰ = 16442359189 is a prime.

It is a super-3 number, since 3×16442360213³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16442360213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442360243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52364048 + ... + 52364361.

It is an arithmetic number, because the mean of its divisors is an integer number (4136772195).

Almost surely, 2^16442360213 is an apocalyptic number.

It is an amenable number.

16442360213 is a deficient number, since it is larger than the sum of its proper divisors (104728567).

16442360213 is a wasteful number, since it uses less digits than its factorization.

16442360213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104728566.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 16442360213 its reverse (31206324461), we get a palindrome (47648684674).

The spelling of 16442360213 in words is "sixteen billion, four hundred forty-two million, three hundred sixty thousand, two hundred thirteen".