1620016422 has 8 divisors (see below), whose sum is σ = 3240032856. Its totient is φ = 540005472.

The previous prime is 1620016421. The next prime is 1620016429. The reversal of 1620016422 is 2246100261.

1620016422 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

1620016422 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1620016392 and 1620016401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1620016421) 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, 135001363 + ... + 135001374.

It is an arithmetic number, because the mean of its divisors is an integer number (405004107).

Almost surely, 2^1620016422 is an apocalyptic number.

1620016422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1620016422 is a wasteful number, since it uses less digits than its factorization.

1620016422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270002742.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1620016422 is about 40249.4275984144. The cubic root of 1620016422 is about 1174.4642608531.

Adding to 1620016422 its reverse (2246100261), we get a palindrome (3866116683).

The spelling of 1620016422 in words is "one billion, six hundred twenty million, sixteen thousand, four hundred twenty-two".