166163875502 has 8 divisors (see below), whose sum is σ = 249328876512. Its totient is φ = 83054250000.

The previous prime is 166163875487. The next prime is 166163875543. The reversal of 166163875502 is 205578361661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×166163875502² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13836374 + ... + 13848377.

It is an arithmetic number, because the mean of its divisors is an integer number (31166109564).

Almost surely, 2^166163875502 is an apocalyptic number.

166163875502 is a deficient number, since it is larger than the sum of its proper divisors (83165001010).

166163875502 is a wasteful number, since it uses less digits than its factorization.

166163875502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27687754.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 166163875502 in words is "one hundred sixty-six billion, one hundred sixty-three million, eight hundred seventy-five thousand, five hundred two".