2146061320 has 64 divisors (see below), whose sum is σ = 5207328000. Its totient is φ = 791286528.

The previous prime is 2146061311. The next prime is 2146061347. The reversal of 2146061320 is 231606412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433821 + ... + 438739.

It is an arithmetic number, because the mean of its divisors is an integer number (81364500).

Almost surely, 2^2146061320 is an apocalyptic number.

2146061320 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 2146061320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2603664000).

2146061320 is an abundant number, since it is smaller than the sum of its proper divisors (3061266680).

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

2146061320 is a wasteful number, since it uses less digits than its factorization.

2146061320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782 (or 5778 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2146061320 is about 46325.6011293971. The cubic root of 2146061320 is about 1289.8742581202.

Adding to 2146061320 its reverse (231606412), we get a palindrome (2377667732).

The spelling of 2146061320 in words is "two billion, one hundred forty-six million, sixty-one thousand, three hundred twenty".