2166266102672 has 40 divisors (see below), whose sum is σ = 4796907668736. Its totient is φ = 928365774336.

The previous prime is 2166266102597. The next prime is 2166266102677. The reversal of 2166266102672 is 2762016626612.

It is not an unprimeable number, because it can be changed into a prime (2166266102677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2848088 + ... + 3527624.

Almost surely, 2^{2166266102672} is an apocalyptic number.

It is an amenable number.

2166266102672 is an abundant number, since it is smaller than the sum of its proper divisors (2630641566064).

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

2166266102672 is a wasteful number, since it uses less digits than its factorization.

2166266102672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708015 (or 708009 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 2166266102672 in words is "two trillion, one hundred sixty-six billion, two hundred sixty-six million, one hundred two thousand, six hundred seventy-two".