2166146573286 has 128 divisors (see below), whose sum is σ = 4529339845632. Its totient is φ = 690190592000.

The previous prime is 2166146573281. The next prime is 2166146573317. The reversal of 2166146573286 is 6823756416612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166146573281) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1258654906 + ... + 1258656626.

It is an arithmetic number, because the mean of its divisors is an integer number (35385467544).

Almost surely, 2^{2166146573286} is an apocalyptic number.

2166146573286 is an abundant number, since it is smaller than the sum of its proper divisors (2363193272346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2166146573286 is a wasteful number, since it uses less digits than its factorization.

2166146573286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478.

The product of its digits is 17418240, while the sum is 57.

The spelling of 2166146573286 in words is "two trillion, one hundred sixty-six billion, one hundred forty-six million, five hundred seventy-three thousand, two hundred eighty-six".