2116003434666 has 32 divisors (see below), whose sum is σ = 4741511387328. Its totient is φ = 623883075840.

The previous prime is 2116003434647. The next prime is 2116003434673. The reversal of 2116003434666 is 6664343006112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433249695 + ... + 433254578.

It is an arithmetic number, because the mean of its divisors is an integer number (148172230854).

Almost surely, 2^{2116003434666} is an apocalyptic number.

2116003434666 is an abundant number, since it is smaller than the sum of its proper divisors (2625507952662).

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

2116003434666 is a wasteful number, since it uses less digits than its factorization.

2116003434666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866504326.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 2116003434666 in words is "two trillion, one hundred sixteen billion, three million, four hundred thirty-four thousand, six hundred sixty-six".