670636368 has 160 divisors (see below), whose sum is σ = 2008800000. Its totient is φ = 213954048.

The previous prime is 670636363. The next prime is 670636381. The reversal of 670636368 is 863636076.

670636368 is a `hidden beast` number, since 6 + 7 + 0 + 6 + 3 + 636 + 8 = 666.

670636368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670636363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2492938 + ... + 2493206.

It is an arithmetic number, because the mean of its divisors is an integer number (12555000).

Almost surely, 2^670636368 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 670636368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004400000).

670636368 is an abundant number, since it is smaller than the sum of its proper divisors (1338163632).

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

670636368 is a wasteful number, since it uses less digits than its factorization.

670636368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The square root of 670636368 is about 25896.6478139546. The cubic root of 670636368 is about 875.3109612585.

The spelling of 670636368 in words is "six hundred seventy million, six hundred thirty-six thousand, three hundred sixty-eight".