660226896 has 160 divisors (see below), whose sum is σ = 2280012800. Its totient is φ = 178692480.

The previous prime is 660226873. The next prime is 660226901. The reversal of 660226896 is 698622066.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51711 + ... + 63201.

It is an arithmetic number, because the mean of its divisors is an integer number (14250080).

Almost surely, 2^660226896 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 660226896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140006400).

660226896 is an abundant number, since it is smaller than the sum of its proper divisors (1619785904).

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

660226896 is a wasteful number, since it uses less digits than its factorization.

660226896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11534 (or 11522 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 660226896 is about 25694.8807352749. The cubic root of 660226896 is about 870.7585299045.

The spelling of 660226896 in words is "six hundred sixty million, two hundred twenty-six thousand, eight hundred ninety-six".