675618802000 has 80 divisors (see below), whose sum is σ = 1634034357072. Its totient is φ = 270183321600.

The previous prime is 675618801989. The next prime is 675618802013. The reversal of 675618802000 is 208816576.

It can be written as a sum of positive squares in 8 ways, for example, as 74975201856 + 600643600144 = 273816^2 + 775012^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8876104 + ... + 8951896.

Almost surely, 2^675618802000 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 675618802000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817017178536).

675618802000 is an abundant number, since it is smaller than the sum of its proper divisors (958415555072).

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

675618802000 is a wasteful number, since it uses less digits than its factorization.

675618802000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80273 (or 80257 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 675618802000 in words is "six hundred seventy-five billion, six hundred eighteen million, eight hundred two thousand".