166083000081 has 16 divisors (see below), whose sum is σ = 221652288000. Its totient is φ = 110617912448.

The previous prime is 166083000071. The next prime is 166083000107. The reversal of 166083000081 is 180000380661.

166083000081 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 166083000081 - 2¹³ = 166082991889 is a prime.

It is a super-2 number, since 2×166083000081² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (166083000011) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18512965 + ... + 18521933.

It is an arithmetic number, because the mean of its divisors is an integer number (13853268000).

Almost surely, 2^166083000081 is an apocalyptic number.

It is an amenable number.

166083000081 is a deficient number, since it is larger than the sum of its proper divisors (55569287919).

166083000081 is a wasteful number, since it uses less digits than its factorization.

166083000081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14088.

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 166083000081 in words is "one hundred sixty-six billion, eighty-three million, eighty-one", and thus it is an aban number.