1983216260 has 72 divisors (see below), whose sum is σ = 4445025984. Its totient is φ = 743104000.

The previous prime is 1983216259. The next prime is 1983216271. The reversal of 1983216260 is 626123891.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1450097 + ... + 1451463.

It is an arithmetic number, because the mean of its divisors is an integer number (61736472).

Almost surely, 2^1983216260 is an apocalyptic number.

1983216260 is a gapful number since it is divisible by the number (10) 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 1983216260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2222512992).

1983216260 is an abundant number, since it is smaller than the sum of its proper divisors (2461809724).

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

1983216260 is a wasteful number, since it uses less digits than its factorization.

1983216260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1983216260 is about 44533.3162924119. The cubic root of 1983216260 is about 1256.3867804502.

The spelling of 1983216260 in words is "one billion, nine hundred eighty-three million, two hundred sixteen thousand, two hundred sixty".