675598577920 has 216 divisors, whose sum is σ = 1908277308504. Its totient is φ = 228459184128.

The previous prime is 675598577909. The next prime is 675598577933. The reversal of 675598577920 is 29775895576.

It can be written as a sum of positive squares in 4 ways, for example, as 16618303744 + 658980274176 = 128912^2 + 811776^2 .

It is a Harshad number since it is a multiple of its sum of digits (70).

It is a self number, because there is not a number n which added to its sum of digits gives 675598577920.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4504782 + ... + 4652338.

It is an arithmetic number, because the mean of its divisors is an integer number (8834617169).

Almost surely, 2^675598577920 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 675598577920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954138654252).

675598577920 is an abundant number, since it is smaller than the sum of its proper divisors (1232678730584).

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

675598577920 is a wasteful number, since it uses less digits than its factorization.

675598577920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147665 (or 147644 counting only the distinct ones).

The product of its (nonzero) digits is 333396000, while the sum is 70.

The spelling of 675598577920 in words is "six hundred seventy-five billion, five hundred ninety-eight million, five hundred seventy-seven thousand, nine hundred twenty".