662016 has 40 divisors (see below), whose sum is σ = 1767744. Its totient is φ = 220160.

The previous prime is 662003. The next prime is 662021. The reversal of 662016 is 610266.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 661983 and 662001.

It is an unprimeable number.

662016 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321 + ... + 1751.

2⁶⁶²⁰¹⁶ 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 662016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (883872).

662016 is an abundant number, since it is smaller than the sum of its proper divisors (1105728).

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

662016 is an equidigital number, since it uses as much as digits as its factorization.

662016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 662016 is about 813.6436566458. The cubic root of 662016 is about 87.1544356968.

The spelling of 662016 in words is "six hundred sixty-two thousand, sixteen".