166441302664445 has 32 divisors (see below), whose sum is σ = 212355340699392. Its totient is φ = 124955066908672.

The previous prime is 166441302664361. The next prime is 166441302664451. The reversal of 166441302664445 is 544466203144661.

166441302664445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 166441302664445 - 2¹⁰ = 166441302663421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137406077 + ... + 138612093.

It is an arithmetic number, because the mean of its divisors is an integer number (6636104396856).

Almost surely, 2^{166441302664445} is an apocalyptic number.

It is an amenable number.

166441302664445 is a deficient number, since it is larger than the sum of its proper divisors (45914038034947).

166441302664445 is a wasteful number, since it uses less digits than its factorization.

166441302664445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228741.

The product of its (nonzero) digits is 39813120, while the sum is 56.

The spelling of 166441302664445 in words is "one hundred sixty-six trillion, four hundred forty-one billion, three hundred two million, six hundred sixty-four thousand, four hundred forty-five".