2166052733445 has 8 divisors (see below), whose sum is σ = 3465684373536. Its totient is φ = 1155228124496.

The previous prime is 2166052733419. The next prime is 2166052733473. The reversal of 2166052733445 is 5443372506612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2166052733445 - 2⁵ = 2166052733413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2166052733394 and 2166052733403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72201757767 + ... + 72201757796.

It is an arithmetic number, because the mean of its divisors is an integer number (433210546692).

Almost surely, 2^{2166052733445} is an apocalyptic number.

It is an amenable number.

2166052733445 is a deficient number, since it is larger than the sum of its proper divisors (1299631640091).

2166052733445 is a wasteful number, since it uses less digits than its factorization.

2166052733445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144403515571.

The product of its (nonzero) digits is 3628800, while the sum is 48.

The spelling of 2166052733445 in words is "two trillion, one hundred sixty-six billion, fifty-two million, seven hundred thirty-three thousand, four hundred forty-five".