1066818342215 has 8 divisors (see below), whose sum is σ = 1288035889008. Its totient is φ = 848218754880.

The previous prime is 1066818342197. The next prime is 1066818342221. The reversal of 1066818342215 is 5122438186601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1066818342215 - 2²² = 1066814147911 is a prime.

It is a super-2 number, since 2×1066818342215² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066818342215.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 654488966 + ... + 654490595.

It is an arithmetic number, because the mean of its divisors is an integer number (161004486126).

Almost surely, 2^{1066818342215} is an apocalyptic number.

1066818342215 is a deficient number, since it is larger than the sum of its proper divisors (221217546793).

1066818342215 is a wasteful number, since it uses less digits than its factorization.

1066818342215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308979729.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 1066818342215 in words is "one trillion, sixty-six billion, eight hundred eighteen million, three hundred forty-two thousand, two hundred fifteen".