166610539467 has 32 divisors (see below), whose sum is σ = 248428454400. Its totient is φ = 110355230304.

The previous prime is 166610539453. The next prime is 166610539471. The reversal of 166610539467 is 764935016661.

It is a happy number.

166610539467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166610539467 - 2¹⁴ = 166610523083 is a prime.

It is a super-2 number, since 2×166610539467² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166610539367) 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 31 ways as a sum of consecutive naturals, for example, 10764268 + ... + 10779734.

It is an arithmetic number, because the mean of its divisors is an integer number (7763389200).

Almost surely, 2^166610539467 is an apocalyptic number.

166610539467 is a deficient number, since it is larger than the sum of its proper divisors (81817914933).

166610539467 is a wasteful number, since it uses less digits than its factorization.

166610539467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18032 (or 18026 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 166610539467 in words is "one hundred sixty-six billion, six hundred ten million, five hundred thirty-nine thousand, four hundred sixty-seven".