701668394208 has 576 divisors, whose sum is σ = 2236123169280. Its totient is φ = 215651745792.

The previous prime is 701668394131. The next prime is 701668394209. The reversal of 701668394208 is 802493866107.

701668394208 is a `hidden beast` number, since 70 + 166 + 8 + 394 + 20 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (701668394209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1598333253 + ... + 1598333691.

It is an arithmetic number, because the mean of its divisors is an integer number (3882158280).

Almost surely, 2^701668394208 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 701668394208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118061584640).

701668394208 is an abundant number, since it is smaller than the sum of its proper divisors (1534454775072).

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

701668394208 is a wasteful number, since it uses less digits than its factorization.

701668394208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 701668394208 in words is "seven hundred one billion, six hundred sixty-eight million, three hundred ninety-four thousand, two hundred eight".