100666343 has 8 divisors (see below), whose sum is σ = 102223008. Its totient is φ = 99114624.

The previous prime is 100666327. The next prime is 100666369. The reversal of 100666343 is 343666001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100666343 - 2⁴ = 100666327 is a prime.

It is a super-2 number, since 2×100666343² = 20267425225987298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100666373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68846 + ... + 70292.

It is an arithmetic number, because the mean of its divisors is an integer number (12777876).

Almost surely, 2^100666343 is an apocalyptic number.

100666343 is a deficient number, since it is larger than the sum of its proper divisors (1556665).

100666343 is an equidigital number, since it uses as much as digits as its factorization.

100666343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 100666343 is about 10033.2618325249. The cubic root of 100666343 is about 465.1875652927.

The spelling of 100666343 in words is "one hundred million, six hundred sixty-six thousand, three hundred forty-three".