670006683408 has 80 divisors (see below), whose sum is σ = 1765656455040. Its totient is φ = 218854751232.

The previous prime is 670006683377. The next prime is 670006683419. The reversal of 670006683408 is 804386600076.

It is a happy number.

It is a super-2 number, since 2×670006683408² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1933708 + ... + 2253716.

It is an arithmetic number, because the mean of its divisors is an integer number (22070705688).

Almost surely, 2^670006683408 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 670006683408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (882828227520).

670006683408 is an abundant number, since it is smaller than the sum of its proper divisors (1095649771632).

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

670006683408 is a wasteful number, since it uses less digits than its factorization.

670006683408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320896 (or 320890 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 670006683408 in words is "six hundred seventy billion, six million, six hundred eighty-three thousand, four hundred eight".