670697589419688 has 128 divisors (see below), whose sum is σ = 1774277316403200. Its totient is φ = 210685253184000.

The previous prime is 670697589419681. The next prime is 670697589419723. The reversal of 670697589419688 is 886914985796076.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (670697589419681) 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, 5417396395 + ... + 5417520197.

It is an arithmetic number, because the mean of its divisors is an integer number (13861541534400).

Almost surely, 2^{670697589419688} 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 670697589419688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887138658201600).

670697589419688 is an abundant number, since it is smaller than the sum of its proper divisors (1103579726983512).

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

670697589419688 is a wasteful number, since it uses less digits than its factorization.

670697589419688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186223 (or 186219 counting only the distinct ones).

The product of its (nonzero) digits is 79009136640, while the sum is 93.

The spelling of 670697589419688 in words is "six hundred seventy trillion, six hundred ninety-seven billion, five hundred eighty-nine million, four hundred nineteen thousand, six hundred eighty-eight".