210010100099966 has 32 divisors (see below), whose sum is σ = 345604447980000. Its totient is φ = 95266257795072.

The previous prime is 210010100099939. The next prime is 210010100099971. The reversal of 210010100099966 is 669990001010012.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171434891 + ... + 172655558.

It is an arithmetic number, because the mean of its divisors is an integer number (10800138999375).

Almost surely, 2^{210010100099966} is an apocalyptic number.

210010100099966 is a deficient number, since it is larger than the sum of its proper divisors (135594347880034).

210010100099966 is a wasteful number, since it uses less digits than its factorization.

210010100099966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344091116.

The product of its (nonzero) digits is 52488, while the sum is 44.

The spelling of 210010100099966 in words is "two hundred ten trillion, ten billion, one hundred million, ninety-nine thousand, nine hundred sixty-six".