16124423201 has 4 divisors (see below), whose sum is σ = 16126890372. Its totient is φ = 16121956032.

The previous prime is 16124423153. The next prime is 16124423219. The reversal of 16124423201 is 10232442161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10232442161 = 2089 ⋅4898249.

It can be written as a sum of positive squares in 2 ways, for example, as 6793056400 + 9331366801 = 82420^2 + 96599^2 .

It is a cyclic number.

It is not a de Polignac number, because 16124423201 - 2¹⁸ = 16124161057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16124423221) 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, 1223756 + ... + 1236861.

It is an arithmetic number, because the mean of its divisors is an integer number (4031722593).

Almost surely, 2^16124423201 is an apocalyptic number.

It is an amenable number.

16124423201 is a deficient number, since it is larger than the sum of its proper divisors (2467171).

16124423201 is an equidigital number, since it uses as much as digits as its factorization.

16124423201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467170.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 16124423201 its reverse (10232442161), we get a palindrome (26356865362).

The spelling of 16124423201 in words is "sixteen billion, one hundred twenty-four million, four hundred twenty-three thousand, two hundred one".