670486795776 has 640 divisors, whose sum is σ = 2331154129920. Its totient is φ = 186325401600.

The previous prime is 670486795753. The next prime is 670486795777. The reversal of 670486795776 is 677597684076.

It is a happy number.

670486795776 is a `hidden beast` number, since 6 + 7 + 0 + 48 + 6 + 7 + 9 + 577 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670486795777) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 572575671 + ... + 572576841.

It is an arithmetic number, because the mean of its divisors is an integer number (3642428328).

Almost surely, 2^670486795776 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 670486795776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1165577064960).

670486795776 is an abundant number, since it is smaller than the sum of its proper divisors (1660667334144).

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

670486795776 is a wasteful number, since it uses less digits than its factorization.

670486795776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 746807040, while the sum is 72.

The spelling of 670486795776 in words is "six hundred seventy billion, four hundred eighty-six million, seven hundred ninety-five thousand, seven hundred seventy-six".