83820016 has 40 divisors (see below), whose sum is σ = 186036704. Its totient is φ = 35838720.

The previous prime is 83819993. The next prime is 83820049. The reversal of 83820016 is 61002838.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81586 + ... + 82606.

Almost surely, 2^83820016 is an apocalyptic number.

It is an amenable number.

83820016 is an abundant number, since it is smaller than the sum of its proper divisors (102216688).

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

83820016 is a wasteful number, since it uses less digits than its factorization.

83820016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 83820016 is about 9155.3271924055. The cubic root of 83820016 is about 437.6388953281.

The spelling of 83820016 in words is "eighty-three million, eight hundred twenty thousand, sixteen".