670705160000 has 140 divisors (see below), whose sum is σ = 1664395551060. Its totient is φ = 268078080000.

The previous prime is 670705159997. The next prime is 670705160033. The reversal of 670705160000 is 61507076.

It can be written as a sum of positive squares in 10 ways, for example, as 395651064064 + 275054095936 = 629008^2 + 524456^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59554370 + ... + 59565630.

Almost surely, 2^670705160000 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 670705160000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (832197775530).

670705160000 is an abundant number, since it is smaller than the sum of its proper divisors (993690391060).

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

670705160000 is a wasteful number, since it uses less digits than its factorization.

670705160000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12782 (or 12757 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

Adding to 670705160000 its reverse (61507076), we get a palindrome (670766667076).

The spelling of 670705160000 in words is "six hundred seventy billion, seven hundred five million, one hundred sixty thousand".