2166232477044 has 48 divisors (see below), whose sum is σ = 5107363430400. Its totient is φ = 714568005600.

The previous prime is 2166232477039. The next prime is 2166232477091. The reversal of 2166232477044 is 4407742326612.

It is a super-3 number, since 3×2166232477044³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2166232476984 and 2166232477002.

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, 1796244 + ... + 2749355.

It is an arithmetic number, because the mean of its divisors is an integer number (106403404800).

Almost surely, 2^{2166232477044} is an apocalyptic number.

It is an amenable number.

2166232477044 is an abundant number, since it is smaller than the sum of its proper divisors (2941130953356).

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

2166232477044 is a wasteful number, since it uses less digits than its factorization.

2166232477044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546020 (or 4546018 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 48.

The spelling of 2166232477044 in words is "two trillion, one hundred sixty-six billion, two hundred thirty-two million, four hundred seventy-seven thousand, forty-four".