2101466663 has 4 divisors (see below), whose sum is σ = 2108180928. Its totient is φ = 2094752400.

The previous prime is 2101466651. The next prime is 2101466669. The reversal of 2101466663 is 3666641012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2101466663 - 2¹⁸ = 2101204519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101466669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3356663 + ... + 3357288.

It is an arithmetic number, because the mean of its divisors is an integer number (527045232).

Almost surely, 2^2101466663 is an apocalyptic number.

2101466663 is a deficient number, since it is larger than the sum of its proper divisors (6714265).

2101466663 is an equidigital number, since it uses as much as digits as its factorization.

2101466663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6714264.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 2101466663 is about 45841.7567617124. The cubic root of 2101466663 is about 1280.8772191149.

The spelling of 2101466663 in words is "two billion, one hundred one million, four hundred sixty-six thousand, six hundred sixty-three".