518066632 has 8 divisors (see below), whose sum is σ = 971374950. Its totient is φ = 259033312.

The previous prime is 518066629. The next prime is 518066639. The reversal of 518066632 is 236660815.

It can be written as a sum of positive squares in only one way, i.e., 484264036 + 33802596 = 22006^2 + 5814^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 518066591 and 518066600.

It is not an unprimeable number, because it can be changed into a prime (518066639) 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 as a sum of consecutive naturals, namely, 32379157 + ... + 32379172.

Almost surely, 2^518066632 is an apocalyptic number.

It is an amenable number.

518066632 is a deficient number, since it is larger than the sum of its proper divisors (453308318).

518066632 is a wasteful number, since it uses less digits than its factorization.

518066632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64758335 (or 64758331 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 518066632 is about 22761.0771274121. The cubic root of 518066632 is about 803.1473060104.

The spelling of 518066632 in words is "five hundred eighteen million, sixty-six thousand, six hundred thirty-two".