2106146543 has 4 divisors (see below), whose sum is σ = 2106310488. Its totient is φ = 2105982600.

The previous prime is 2106146533. The next prime is 2106146551. The reversal of 2106146543 is 3456416012.

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 2106146543 - 2⁴ = 2106146527 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 (2106146533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60896 + ... + 88997.

It is an arithmetic number, because the mean of its divisors is an integer number (526577622).

Almost surely, 2^2106146543 is an apocalyptic number.

2106146543 is a deficient number, since it is larger than the sum of its proper divisors (163945).

2106146543 is a wasteful number, since it uses less digits than its factorization.

2106146543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163944.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2106146543 is about 45892.7722304940. The cubic root of 2106146543 is about 1281.8273345046.

The spelling of 2106146543 in words is "two billion, one hundred six million, one hundred forty-six thousand, five hundred forty-three".