2166571611096 has 64 divisors (see below), whose sum is σ = 5751289461600. Its totient is φ = 677783175168.

The previous prime is 2166571611047. The next prime is 2166571611199. The reversal of 2166571611096 is 6901161756612.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7377541 + ... + 7665588.

Almost surely, 2^{2166571611096} is an apocalyptic number.

It is an amenable number.

2166571611096 is an abundant number, since it is smaller than the sum of its proper divisors (3584717850504).

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

2166571611096 is a wasteful number, since it uses less digits than its factorization.

2166571611096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15043508 (or 15043504 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The spelling of 2166571611096 in words is "two trillion, one hundred sixty-six billion, five hundred seventy-one million, six hundred eleven thousand, ninety-six".