666351341351 has 12 divisors (see below), whose sum is σ = 703425864672. Its totient is φ = 631138794624.

The previous prime is 666351341339. The next prime is 666351341353. The reversal of 666351341351 is 153143153666.

666351341351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 666351341351 - 2¹⁰ = 666351340327 is a prime.

It is a super-2 number, since 2×666351341351² (a number of 24 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 (666351341353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1424690 + ... + 1833696.

It is an arithmetic number, because the mean of its divisors is an integer number (58618822056).

Almost surely, 2^666351341351 is an apocalyptic number.

666351341351 is a deficient number, since it is larger than the sum of its proper divisors (37074523321).

666351341351 is a wasteful number, since it uses less digits than its factorization.

666351341351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413558 (or 413539 counting only the distinct ones).

The product of its digits is 583200, while the sum is 44.

The spelling of 666351341351 in words is "six hundred sixty-six billion, three hundred fifty-one million, three hundred forty-one thousand, three hundred fifty-one".