165707166 has 8 divisors (see below), whose sum is σ = 331414344. Its totient is φ = 55235720.

The previous prime is 165707159. The next prime is 165707173. The reversal of 165707166 is 661707561.

It is an interprime number because it is at equal distance from previous prime (165707159) and next prime (165707173).

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

165707166 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13808925 + ... + 13808936.

It is an arithmetic number, because the mean of its divisors is an integer number (41426793).

Almost surely, 2^165707166 is an apocalyptic number.

165707166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165707166 is a wasteful number, since it uses less digits than its factorization.

165707166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27617866.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 165707166 is about 12872.7295473804. The cubic root of 165707166 is about 549.2631079160.

The spelling of 165707166 in words is "one hundred sixty-five million, seven hundred seven thousand, one hundred sixty-six".