16224821601 has 16 divisors (see below), whose sum is σ = 22807818240. Its totient is φ = 10230993360.

The previous prime is 16224821597. The next prime is 16224821647. The reversal of 16224821601 is 10612842261.

It is a happy number.

It is not a de Polignac number, because 16224821601 - 2² = 16224821597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16224821671) 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, 189585 + ... + 261518.

It is an arithmetic number, because the mean of its divisors is an integer number (1425488640).

Almost surely, 2^16224821601 is an apocalyptic number.

It is an amenable number.

16224821601 is a deficient number, since it is larger than the sum of its proper divisors (6582996639).

16224821601 is a wasteful number, since it uses less digits than its factorization.

16224821601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451756.

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 16224821601 in words is "sixteen billion, two hundred twenty-four million, eight hundred twenty-one thousand, six hundred one".