1623741216 has 96 divisors (see below), whose sum is σ = 4508985600. Its totient is φ = 510209280.

The previous prime is 1623741199. The next prime is 1623741227. The reversal of 1623741216 is 6121473261.

It is a tau number, because it is divible by the number of its divisors (96).

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, 382755 + ... + 386973.

It is an arithmetic number, because the mean of its divisors is an integer number (46968600).

Almost surely, 2^1623741216 is an apocalyptic number.

1623741216 is a gapful number since it is divisible by the number (16) 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 1623741216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2254492800).

1623741216 is an abundant number, since it is smaller than the sum of its proper divisors (2885244384).

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

1623741216 is a wasteful number, since it uses less digits than its factorization.

1623741216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462 (or 4454 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 1623741216 is about 40295.6724227305. The cubic root of 1623741216 is about 1175.3636939040.

The spelling of 1623741216 in words is "one billion, six hundred twenty-three million, seven hundred forty-one thousand, two hundred sixteen".