1654305216 has 28 divisors (see below), whose sum is σ = 4377016392. Its totient is φ = 551435008.

The previous prime is 1654305193. The next prime is 1654305227. The reversal of 1654305216 is 6125034561.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4307895 + ... + 4308278.

It is an arithmetic number, because the mean of its divisors is an integer number (156322014).

Almost surely, 2^1654305216 is an apocalyptic number.

1654305216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1654305216 is an abundant number, since it is smaller than the sum of its proper divisors (2722711176).

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

1654305216 is an equidigital number, since it uses as much as digits as its factorization.

1654305216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8616188 (or 8616178 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1654305216 is about 40673.1510458681. The cubic root of 1654305216 is about 1182.6926005774.

Adding to 1654305216 its reverse (6125034561), we get a palindrome (7779339777).

The spelling of 1654305216 in words is "one billion, six hundred fifty-four million, three hundred five thousand, two hundred sixteen".