1666011363030 has 48 divisors (see below), whose sum is σ = 4950433766304. Its totient is φ = 380802597120.

The previous prime is 1666011363017. The next prime is 1666011363031. The reversal of 1666011363030 is 303631106661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1666011363031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1322230611 + ... + 1322231870.

It is an arithmetic number, because the mean of its divisors is an integer number (103134036798).

Almost surely, 2^{1666011363030} is an apocalyptic number.

1666011363030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1666011363030 is an abundant number, since it is smaller than the sum of its proper divisors (3284422403274).

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

1666011363030 is a wasteful number, since it uses less digits than its factorization.

1666011363030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644462501 (or 2644462498 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

Adding to 1666011363030 its reverse (303631106661), we get a palindrome (1969642469691).

The spelling of 1666011363030 in words is "one trillion, six hundred sixty-six billion, eleven million, three hundred sixty-three thousand, thirty".