660734196 has 48 divisors (see below), whose sum is σ = 1643443200. Its totient is φ = 206006112.

The previous prime is 660734167. The next prime is 660734203. The reversal of 660734196 is 691437066.

It is a congruent number.

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, 330 + ... + 36353.

It is an arithmetic number, because the mean of its divisors is an integer number (34238400).

Almost surely, 2^660734196 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 660734196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (821721600).

660734196 is an abundant number, since it is smaller than the sum of its proper divisors (982709004).

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

660734196 is a wasteful number, since it uses less digits than its factorization.

660734196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36788 (or 36786 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 660734196 is about 25704.7504558982. The cubic root of 660734196 is about 870.9814950265.

The spelling of 660734196 in words is "six hundred sixty million, seven hundred thirty-four thousand, one hundred ninety-six".