659351412 has 18 divisors (see below), whose sum is σ = 1666693938. Its totient is φ = 219783792.

The previous prime is 659351393. The next prime is 659351417. The reversal of 659351412 is 214153956.

659351412 is a `hidden beast` number, since 6 + 593 + 51 + 4 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 659154276 + 197136 = 25674^2 + 444^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 18315317 = 659351412 / (6 + 5 + 9 + 3 + 5 + 1 + 4 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659351417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9157623 + ... + 9157694.

Almost surely, 2^659351412 is an apocalyptic number.

It is an amenable number.

659351412 is an abundant number, since it is smaller than the sum of its proper divisors (1007342526).

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

659351412 is a wasteful number, since it uses less digits than its factorization.

659351412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18315327 (or 18315322 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 659351412 is about 25677.8389277603. The cubic root of 659351412 is about 870.3734742138.

The spelling of 659351412 in words is "six hundred fifty-nine million, three hundred fifty-one thousand, four hundred twelve".