665682096 has 160 divisors (see below), whose sum is σ = 1856452608. Its totient is φ = 205148160.

The previous prime is 665682079. The next prime is 665682113. The reversal of 665682096 is 690286566.

It is an interprime number because it is at equal distance from previous prime (665682079) and next prime (665682113).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5890936 + ... + 5891048.

Almost surely, 2^665682096 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 665682096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928226304).

665682096 is an abundant number, since it is smaller than the sum of its proper divisors (1190770512).

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

665682096 is a wasteful number, since it uses less digits than its factorization.

665682096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 665682096 is about 25800.8158010556. The cubic root of 665682096 is about 873.1502020044.

The spelling of 665682096 in words is "six hundred sixty-five million, six hundred eighty-two thousand, ninety-six".