670416652640 has 192 divisors, whose sum is σ = 1833063281280. Its totient is φ = 226956902400.

The previous prime is 670416652627. The next prime is 670416652813. The reversal of 670416652640 is 46256614076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42185816 + ... + 42201704.

It is an arithmetic number, because the mean of its divisors is an integer number (9547204590).

Almost surely, 2^670416652640 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 670416652640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (916531640640).

670416652640 is an abundant number, since it is smaller than the sum of its proper divisors (1162646628640).

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

670416652640 is a wasteful number, since it uses less digits than its factorization.

670416652640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16385 (or 16377 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 670416652640 in words is "six hundred seventy billion, four hundred sixteen million, six hundred fifty-two thousand, six hundred forty".