662133816 has 96 divisors (see below), whose sum is σ = 1906772400. Its totient is φ = 206853120.

The previous prime is 662133761. The next prime is 662133851. The reversal of 662133816 is 618331266.

662133816 is a `hidden beast` number, since 66 + 213 + 381 + 6 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328251 + ... + 330261.

Almost surely, 2^662133816 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 662133816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (953386200).

662133816 is an abundant number, since it is smaller than the sum of its proper divisors (1244638584).

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

662133816 is a wasteful number, since it uses less digits than its factorization.

662133816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309 (or 2302 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 662133816 is about 25731.9609824047. The cubic root of 662133816 is about 871.5960555062.

The spelling of 662133816 in words is "six hundred sixty-two million, one hundred thirty-three thousand, eight hundred sixteen".