551066605156 has 6 divisors (see below), whose sum is σ = 964366559030. Its totient is φ = 275533302576.

The previous prime is 551066605139. The next prime is 551066605171. The reversal of 551066605156 is 651506660155.

It can be written as a sum of positive squares in only one way, i.e., 407023584256 + 144043020900 = 637984^2 + 379530^2 .

It is an unprimeable number.

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, 68883325641 + ... + 68883325648.

Almost surely, 2^551066605156 is an apocalyptic number.

It is an amenable number.

551066605156 is a deficient number, since it is larger than the sum of its proper divisors (413299953874).

551066605156 is a wasteful number, since it uses less digits than its factorization.

551066605156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137766651293 (or 137766651291 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 551066605156 in words is "five hundred fifty-one billion, sixty-six million, six hundred five thousand, one hundred fifty-six".