659406960 has 80 divisors (see below), whose sum is σ = 2271298080. Its totient is φ = 175841280.

The previous prime is 659406953. The next prime is 659406967. The reversal of 659406960 is 69604956.

It is an interprime number because it is at equal distance from previous prime (659406953) and next prime (659406967).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659406967) 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 15 ways as a sum of consecutive naturals, for example, 150481 + ... + 154800.

It is an arithmetic number, because the mean of its divisors is an integer number (28391226).

Almost surely, 2^659406960 is an apocalyptic number.

659406960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

659406960 is an abundant number, since it is smaller than the sum of its proper divisors (1611891120).

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

659406960 is a wasteful number, since it uses less digits than its factorization.

659406960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305303 (or 305291 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 659406960 is about 25678.9205380600. The cubic root of 659406960 is about 870.3979154790.

It can be divided in two parts, 65940 and 6960, that added together give a square (72900 = 270²).

The spelling of 659406960 in words is "six hundred fifty-nine million, four hundred six thousand, nine hundred sixty".