1066354639351 has 4 divisors (see below), whose sum is σ = 1066362125272. Its totient is φ = 1066347153432.

The previous prime is 1066354639333. The next prime is 1066354639367. The reversal of 1066354639351 is 1539364536601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1066354639351 - 2⁵ = 1066354639319 is a prime.

It is a super-2 number, since 2×1066354639351² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066354639451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3525060 + ... + 3815593.

It is an arithmetic number, because the mean of its divisors is an integer number (266590531318).

Almost surely, 2^{1066354639351} is an apocalyptic number.

1066354639351 is a deficient number, since it is larger than the sum of its proper divisors (7485921).

1066354639351 is an equidigital number, since it uses as much as digits as its factorization.

1066354639351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7485920.

The product of its (nonzero) digits is 5248800, while the sum is 52.

The spelling of 1066354639351 in words is "one trillion, sixty-six billion, three hundred fifty-four million, six hundred thirty-nine thousand, three hundred fifty-one".