83525616 has 60 divisors (see below), whose sum is σ = 234949000. Its totient is φ = 27699840.

The previous prime is 83525609. The next prime is 83525621. The reversal of 83525616 is 61652538.

83525616 is a `hidden beast` number, since 8 + 35 + 2 + 5 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29010 + ... + 31758.

Almost surely, 2^83525616 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 83525616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117474500).

83525616 is an abundant number, since it is smaller than the sum of its proper divisors (151423384).

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

83525616 is a wasteful number, since it uses less digits than its factorization.

83525616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974 (or 2965 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 83525616 is about 9139.2349789247. The cubic root of 83525616 is about 437.1259230730.

The spelling of 83525616 in words is "eighty-three million, five hundred twenty-five thousand, six hundred sixteen".