668153088 has 108 divisors (see below), whose sum is σ = 2027975040. Its totient is φ = 210981888.

The previous prime is 668153051. The next prime is 668153113. The reversal of 668153088 is 880351866.

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 11 ways as a sum of consecutive naturals, for example, 36145 + ... + 51407.

Almost surely, 2^668153088 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 668153088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1013987520).

668153088 is an abundant number, since it is smaller than the sum of its proper divisors (1359821952).

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

668153088 is a wasteful number, since it uses less digits than its factorization.

668153088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15304 (or 15287 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 668153088 is about 25848.6573732564. The cubic root of 668153088 is about 874.2292371200.

The spelling of 668153088 in words is "six hundred sixty-eight million, one hundred fifty-three thousand, eighty-eight".