659551466 has 24 divisors (see below), whose sum is σ = 1190539620. Its totient is φ = 272916672.

The previous prime is 659551457. The next prime is 659551493. The reversal of 659551466 is 664155956.

It can be written as a sum of positive squares in 2 ways, for example, as 647448025 + 12103441 = 25445^2 + 3479^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 659551466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113195 + ... + 118878.

Almost surely, 2^659551466 is an apocalyptic number.

659551466 is a deficient number, since it is larger than the sum of its proper divisors (530988154).

659551466 is a wasteful number, since it uses less digits than its factorization.

659551466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232118 (or 232111 counting only the distinct ones).

The product of its digits is 972000, while the sum is 47.

The square root of 659551466 is about 25681.7340925413. The cubic root of 659551466 is about 870.4614920673.

The spelling of 659551466 in words is "six hundred fifty-nine million, five hundred fifty-one thousand, four hundred sixty-six".