80212416858566 has 16 divisors (see below), whose sum is σ = 121118583737088. Its totient is φ = 39839569413000.

The previous prime is 80212416858533. The next prime is 80212416858571. The reversal of 80212416858566 is 66585861421208.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80212416858499 and 80212416858508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8260121 + ... + 15121323.

It is an arithmetic number, because the mean of its divisors is an integer number (7569911483568).

Almost surely, 2^{80212416858566} is an apocalyptic number.

80212416858566 is a deficient number, since it is larger than the sum of its proper divisors (40906166878522).

80212416858566 is a wasteful number, since it uses less digits than its factorization.

80212416858566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900067.

The product of its (nonzero) digits is 44236800, while the sum is 62.

The spelling of 80212416858566 in words is "eighty trillion, two hundred twelve billion, four hundred sixteen million, eight hundred fifty-eight thousand, five hundred sixty-six".