166044052203461 has 16 divisors (see below), whose sum is σ = 172375377081600. Its totient is φ = 159838984101888.

The previous prime is 166044052203383. The next prime is 166044052203479. The reversal of 166044052203461 is 164302250440661.

166044052203461 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 166044052203461 - 2¹⁴ = 166044052187077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166044052203661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82285916 + ... + 84279653.

It is an arithmetic number, because the mean of its divisors is an integer number (10773461067600).

Almost surely, 2^{166044052203461} is an apocalyptic number.

It is an amenable number.

166044052203461 is a deficient number, since it is larger than the sum of its proper divisors (6331324878139).

166044052203461 is a wasteful number, since it uses less digits than its factorization.

166044052203461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166565948.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 166044052203461 in words is "one hundred sixty-six trillion, forty-four billion, fifty-two million, two hundred three thousand, four hundred sixty-one".