666035461401367 has 16 divisors (see below), whose sum is σ = 726241606848000. Its totient is φ = 608403048601824.

The previous prime is 666035461401217. The next prime is 666035461401433. The reversal of 666035461401367 is 763104164530666.

It is a cyclic number.

It is not a de Polignac number, because 666035461401367 - 2²³ = 666035453012759 is a prime.

It is a super-2 number, since 2×666035461401367² (a number of 30 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 (666035461401767) 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, 813033267 + ... + 813852052.

It is an arithmetic number, because the mean of its divisors is an integer number (45390100428000).

Almost surely, 2^{666035461401367} is an apocalyptic number.

666035461401367 is a deficient number, since it is larger than the sum of its proper divisors (60206145446633).

666035461401367 is a wasteful number, since it uses less digits than its factorization.

666035461401367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626886110.

The product of its (nonzero) digits is 39191040, while the sum is 58.

The spelling of 666035461401367 in words is "six hundred sixty-six trillion, thirty-five billion, four hundred sixty-one million, four hundred one thousand, three hundred sixty-seven".