2166836147376 has 40 divisors (see below), whose sum is σ = 5604013913904. Its totient is φ = 721458862080.

The previous prime is 2166836147339. The next prime is 2166836147401. The reversal of 2166836147376 is 6737416386612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25577701 + ... + 25662276.

Almost surely, 2^{2166836147376} is an apocalyptic number.

It is an amenable number.

2166836147376 is an abundant number, since it is smaller than the sum of its proper divisors (3437177766528).

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

2166836147376 is a wasteful number, since it uses less digits than its factorization.

2166836147376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51240869 (or 51240863 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 60.

The spelling of 2166836147376 in words is "two trillion, one hundred sixty-six billion, eight hundred thirty-six million, one hundred forty-seven thousand, three hundred seventy-six".