2128810916546 has 8 divisors (see below), whose sum is σ = 3195827348544. Its totient is φ = 1063535133700.

The previous prime is 2128810916543. The next prime is 2128810916569. The reversal of 2128810916546 is 6456190188212.

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

It is not an unprimeable number, because it can be changed into a prime (2128810916543) 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, 435159230 + ... + 435164121.

It is an arithmetic number, because the mean of its divisors is an integer number (399478418568).

Almost surely, 2^{2128810916546} is an apocalyptic number.

2128810916546 is a deficient number, since it is larger than the sum of its proper divisors (1067016431998).

2128810916546 is a wasteful number, since it uses less digits than its factorization.

2128810916546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870324576.

The product of its (nonzero) digits is 1658880, while the sum is 53.

The spelling of 2128810916546 in words is "two trillion, one hundred twenty-eight billion, eight hundred ten million, nine hundred sixteen thousand, five hundred forty-six".