2146554368 has 160 divisors (see below), whose sum is σ = 5303232000. Its totient is φ = 864632832.

The previous prime is 2146554349. The next prime is 2146554379. The reversal of 2146554368 is 8634556412.

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, 2985113 + ... + 2985831.

It is an arithmetic number, because the mean of its divisors is an integer number (33145200).

Almost surely, 2^2146554368 is an apocalyptic number.

2146554368 is a gapful number since it is divisible by the number (28) 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 2146554368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2651616000).

2146554368 is an abundant number, since it is smaller than the sum of its proper divisors (3156677632).

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

2146554368 is an frugal number, since it uses more digits than its factorization.

2146554368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 745 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The square root of 2146554368 is about 46330.9223737236. The cubic root of 2146554368 is about 1289.9730315056.

The spelling of 2146554368 in words is "two billion, one hundred forty-six million, five hundred fifty-four thousand, three hundred sixty-eight".