16021152223 has 16 divisors (see below), whose sum is σ = 17300200320. Its totient is φ = 14780054016.

The previous prime is 16021152221. The next prime is 16021152233. The reversal of 16021152223 is 32225112061.

It is a cyclic number.

It is not a de Polignac number, because 16021152223 - 2¹ = 16021152221 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 (16021152221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 998458 + ... + 1014376.

It is an arithmetic number, because the mean of its divisors is an integer number (1081262520).

Almost surely, 2^16021152223 is an apocalyptic number.

16021152223 is a deficient number, since it is larger than the sum of its proper divisors (1279048097).

16021152223 is a wasteful number, since it uses less digits than its factorization.

16021152223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17106.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 16021152223 its reverse (32225112061), we get a palindrome (48246264284).

The spelling of 16021152223 in words is "sixteen billion, twenty-one million, one hundred fifty-two thousand, two hundred twenty-three".