83163380 has 48 divisors (see below), whose sum is σ = 185976000. Its totient is φ = 31147776.

The previous prime is 83163373. The next prime is 83163389. The reversal of 83163380 is 8336138.

It is a happy number.

It is a super-2 number, since 2×83163380² = 13832295546048800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83163389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32591 + ... + 35049.

It is an arithmetic number, because the mean of its divisors is an integer number (3874500).

Almost surely, 2^83163380 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 83163380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92988000).

83163380 is an abundant number, since it is smaller than the sum of its proper divisors (102812620).

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

83163380 is a wasteful number, since it uses less digits than its factorization.

83163380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576 (or 2574 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 83163380 is about 9119.3958133201. The cubic root of 83163380 is about 436.4930944544.

The spelling of 83163380 in words is "eighty-three million, one hundred sixty-three thousand, three hundred eighty".