1607063406666 has 16 divisors (see below), whose sum is σ = 3214248707424. Its totient is φ = 535667486544.

The previous prime is 1607063406661. The next prime is 1607063406679. The reversal of 1607063406666 is 6666043607061.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1607063406661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4907080 + ... + 5224323.

It is an arithmetic number, because the mean of its divisors is an integer number (200890544214).

Almost surely, 2^{1607063406666} is an apocalyptic number.

1607063406666 is an abundant number, since it is smaller than the sum of its proper divisors (1607185300758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1607063406666 is a wasteful number, since it uses less digits than its factorization.

1607063406666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10157845.

The product of its (nonzero) digits is 3919104, while the sum is 51.

The spelling of 1607063406666 in words is "one trillion, six hundred seven billion, sixty-three million, four hundred six thousand, six hundred sixty-six".