16224821634 has 16 divisors (see below), whose sum is σ = 37085306688. Its totient is φ = 4635663312.

The previous prime is 16224821597. The next prime is 16224821647. The reversal of 16224821634 is 43612842261.

It is a super-2 number, since 2×16224821634² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16224821592 and 16224821601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193152597 + ... + 193152680.

It is an arithmetic number, because the mean of its divisors is an integer number (2317831668).

Almost surely, 2^16224821634 is an apocalyptic number.

16224821634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16224821634 is an abundant number, since it is smaller than the sum of its proper divisors (20860485054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16224821634 is a wasteful number, since it uses less digits than its factorization.

16224821634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386305289.

The product of its digits is 110592, while the sum is 39.

The spelling of 16224821634 in words is "sixteen billion, two hundred twenty-four million, eight hundred twenty-one thousand, six hundred thirty-four".