165110166163 has 4 divisors (see below), whose sum is σ = 165125734128. Its totient is φ = 165094598200.

The previous prime is 165110166149. The next prime is 165110166197. The reversal of 165110166163 is 361661011561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 165110166163 - 2⁵ = 165110166131 is a prime.

It is a super-2 number, since 2×165110166163² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165110166863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7768063 + ... + 7789288.

It is an arithmetic number, because the mean of its divisors is an integer number (41281433532).

Almost surely, 2^165110166163 is an apocalyptic number.

165110166163 is a deficient number, since it is larger than the sum of its proper divisors (15567965).

165110166163 is a wasteful number, since it uses less digits than its factorization.

165110166163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15567964.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 165110166163 in words is "one hundred sixty-five billion, one hundred ten million, one hundred sixty-six thousand, one hundred sixty-three".