659788080 has 160 divisors (see below), whose sum is σ = 2345516544. Its totient is φ = 150294528.

The previous prime is 659788079. The next prime is 659788081. The reversal of 659788080 is 80887956.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (659788079) and next prime (659788081).

It is not an unprimeable number, because it can be changed into a prime (659788081) by changing a digit.

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, 726987 + ... + 727893.

Almost surely, 2^659788080 is an apocalyptic number.

659788080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 659788080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1172758272).

659788080 is an abundant number, since it is smaller than the sum of its proper divisors (1685728464).

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

659788080 is a wasteful number, since it uses less digits than its factorization.

659788080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The square root of 659788080 is about 25686.3403387871. The cubic root of 659788080 is about 870.5655722699.

The spelling of 659788080 in words is "six hundred fifty-nine million, seven hundred eighty-eight thousand, eighty".