958660668 has 144 divisors (see below), whose sum is σ = 2960717760. Its totient is φ = 255301632.

The previous prime is 958660667. The next prime is 958660669. The reversal of 958660668 is 866066859.

It is an interprime number because it is at equal distance from previous prime (958660667) and next prime (958660669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (958660663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 465930 + ... + 467982.

It is an arithmetic number, because the mean of its divisors is an integer number (20560540).

Almost surely, 2^958660668 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 958660668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1480358880).

958660668 is an abundant number, since it is smaller than the sum of its proper divisors (2002057092).

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

958660668 is a wasteful number, since it uses less digits than its factorization.

958660668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196 (or 2191 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The square root of 958660668 is about 30962.2458487752. The cubic root of 958660668 is about 986.0258555622.

The spelling of 958660668 in words is "nine hundred fifty-eight million, six hundred sixty thousand, six hundred sixty-eight".