551043116066 has 32 divisors (see below), whose sum is σ = 845096535360. Its totient is φ = 269400196800.

The previous prime is 551043116017. The next prime is 551043116083. The reversal of 551043116066 is 660611340155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30249701 + ... + 30267911.

It is an arithmetic number, because the mean of its divisors is an integer number (26409266730).

Almost surely, 2^551043116066 is an apocalyptic number.

551043116066 is a deficient number, since it is larger than the sum of its proper divisors (294053419294).

551043116066 is a wasteful number, since it uses less digits than its factorization.

551043116066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19730.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 551043116066 in words is "five hundred fifty-one billion, forty-three million, one hundred sixteen thousand, sixty-six".