670695481600 has 243 divisors, whose sum is σ = 1724178367093. Its totient is φ = 258293432320.

The previous prime is 670695481583. The next prime is 670695481619. The reversal of 670695481600 is 6184596076.

The square root of 670695481600 is 818960.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 473189900544 + 197505581056 = 687888^2 + 444416^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1899987024 + ... + 1899987376.

Almost surely, 2^670695481600 is an apocalyptic number.

670695481600 is the 818960-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670695481600

670695481600 is an abundant number, since it is smaller than the sum of its proper divisors (1053482885493).

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

670695481600 is an frugal number, since it uses more digits than its factorization.

670695481600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 670695481600 in words is "six hundred seventy billion, six hundred ninety-five million, four hundred eighty-one thousand, six hundred".