1066816225743 has 16 divisors (see below), whose sum is σ = 1452723893760. Its totient is φ = 696060478656.

The previous prime is 1066816225711. The next prime is 1066816225759. The reversal of 1066816225743 is 3475226186601.

It is not a de Polignac number, because 1066816225743 - 2⁵ = 1066816225711 is a prime.

It is a super-2 number, since 2×1066816225743² (a number of 25 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066811225743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7239171 + ... + 7385067.

It is an arithmetic number, because the mean of its divisors is an integer number (90795243360).

Almost surely, 2^{1066816225743} is an apocalyptic number.

1066816225743 is a deficient number, since it is larger than the sum of its proper divisors (385907668017).

1066816225743 is a wasteful number, since it uses less digits than its factorization.

1066816225743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197806.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 1066816225743 in words is "one trillion, sixty-six billion, eight hundred sixteen million, two hundred twenty-five thousand, seven hundred forty-three".