83563116 has 96 divisors (see below), whose sum is σ = 244231680. Its totient is φ = 21648384.

The previous prime is 83563099. The next prime is 83563141. The reversal of 83563116 is 61136538.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63780 + ... + 65076.

It is an arithmetic number, because the mean of its divisors is an integer number (2544080).

Almost surely, 2^83563116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83563116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122115840).

83563116 is an abundant number, since it is smaller than the sum of its proper divisors (160668564).

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

83563116 is a wasteful number, since it uses less digits than its factorization.

83563116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383 (or 1381 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 83563116 is about 9141.2863427419. The cubic root of 83563116 is about 437.1913312289.

The spelling of 83563116 in words is "eighty-three million, five hundred sixty-three thousand, one hundred sixteen".