83650560 has 192 divisors, whose sum is σ = 306633600. Its totient is φ = 19070976.

The previous prime is 83650549. The next prime is 83650561. The reversal of 83650560 is 6505638.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83650561) 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, 214846 + ... + 215234.

It is an arithmetic number, because the mean of its divisors is an integer number (1597050).

Almost surely, 2^83650560 is an apocalyptic number.

83650560 is a gapful number since it is divisible by the number (80) 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 83650560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153316800).

83650560 is an abundant number, since it is smaller than the sum of its proper divisors (222983040).

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

83650560 is a wasteful number, since it uses less digits than its factorization.

83650560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 406 counting only the distinct ones).

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

The square root of 83650560 is about 9146.0680076194. The cubic root of 83650560 is about 437.3437766030.

The spelling of 83650560 in words is "eighty-three million, six hundred fifty thousand, five hundred sixty".