166535044533235 has 16 divisors (see below), whose sum is σ = 228597981659136. Its totient is φ = 114091927387488.

The previous prime is 166535044533173. The next prime is 166535044533241. The reversal of 166535044533235 is 532335440535661.

It is a cyclic number.

It is not a de Polignac number, because 166535044533235 - 2⁷ = 166535044533107 is a prime.

It is a Duffinian 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, 2156871699 + ... + 2156948908.

It is an arithmetic number, because the mean of its divisors is an integer number (14287373853696).

Almost surely, 2^{166535044533235} is an apocalyptic number.

166535044533235 is a deficient number, since it is larger than the sum of its proper divisors (62062937125901).

166535044533235 is a wasteful number, since it uses less digits than its factorization.

166535044533235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313821722.

The product of its (nonzero) digits is 58320000, while the sum is 55.

The spelling of 166535044533235 in words is "one hundred sixty-six trillion, five hundred thirty-five billion, forty-four million, five hundred thirty-three thousand, two hundred thirty-five".