83663532 has 18 divisors (see below), whose sum is σ = 211482908. Its totient is φ = 27887832.

The previous prime is 83663519. The next prime is 83663533. The reversal of 83663532 is 23536638.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2323987 = 83663532 / (8 + 3 + 6 + 6 + 3 + 5 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (83663533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1161958 + ... + 1162029.

Almost surely, 2^83663532 is an apocalyptic number.

It is an amenable number.

83663532 is an abundant number, since it is smaller than the sum of its proper divisors (127819376).

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

83663532 is a wasteful number, since it uses less digits than its factorization.

83663532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323997 (or 2323992 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 83663532 is about 9146.7771373309. Note that the first 3 decimals coincide. The cubic root of 83663532 is about 437.3663822705.

The spelling of 83663532 in words is "eighty-three million, six hundred sixty-three thousand, five hundred thirty-two".