165917162 has 8 divisors (see below), whose sum is σ = 250546500. Its totient is φ = 82401664.

The previous prime is 165917153. The next prime is 165917197. The reversal of 165917162 is 261719561.

It can be written as a sum of positive squares in 2 ways, for example, as 163353961 + 2563201 = 12781^2 + 1601^2 .

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

It is a super-2 number, since 2×165917162² = 55057009292268488, which contains 22 as substring.

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, 278087 + ... + 278682.

Almost surely, 2^165917162 is an apocalyptic number.

165917162 is a deficient number, since it is larger than the sum of its proper divisors (84629338).

165917162 is a wasteful number, since it uses less digits than its factorization.

165917162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556920.

The product of its digits is 22680, while the sum is 38.

The square root of 165917162 is about 12880.8835877047. The cubic root of 165917162 is about 549.4950318353.

The spelling of 165917162 in words is "one hundred sixty-five million, nine hundred seventeen thousand, one hundred sixty-two".