166633525105 has 8 divisors (see below), whose sum is σ = 211722596712. Its totient is φ = 125465242368.

The previous prime is 166633525063. The next prime is 166633525141. The reversal of 166633525105 is 501525336661.

166633525105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 55285176384 + 111348348721 = 235128^2 + 333689^2 .

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 166633525105 - 2¹⁷ = 166633394033 is a prime.

It is a super-2 number, since 2×166633525105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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, 980197122 + ... + 980197291.

It is an arithmetic number, because the mean of its divisors is an integer number (26465324589).

Almost surely, 2^166633525105 is an apocalyptic number.

It is an amenable number.

166633525105 is a deficient number, since it is larger than the sum of its proper divisors (45089071607).

166633525105 is a wasteful number, since it uses less digits than its factorization.

166633525105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960394435.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 166633525105 in words is "one hundred sixty-six billion, six hundred thirty-three million, five hundred twenty-five thousand, one hundred five".