2146663036420 has 144 divisors (see below), whose sum is σ = 5474719780992. Its totient is φ = 692471439360.

The previous prime is 2146663036381. The next prime is 2146663036421. The reversal of 2146663036420 is 246303666412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2146663036421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152163007 + ... + 152177113.

It is an arithmetic number, because the mean of its divisors is an integer number (38018887368).

Almost surely, 2^{2146663036420} is an apocalyptic number.

2146663036420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2146663036420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2737359890496).

2146663036420 is an abundant number, since it is smaller than the sum of its proper divisors (3328056744572).

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

2146663036420 is a wasteful number, since it uses less digits than its factorization.

2146663036420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17918 (or 17899 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 2146663036420 in words is "two trillion, one hundred forty-six billion, six hundred sixty-three million, thirty-six thousand, four hundred twenty".