165427659 has 12 divisors (see below), whose sum is σ = 241976800. Its totient is φ = 108888624.

The previous prime is 165427649. The next prime is 165427673. The reversal of 165427659 is 956724561.

165427659 is a `hidden beast` number, since 165 + 427 + 65 + 9 = 666.

It is not a de Polignac number, because 165427659 - 2⁸ = 165427403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165427649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115624 + ... + 117045.

Almost surely, 2^165427659 is an apocalyptic number.

165427659 is a deficient number, since it is larger than the sum of its proper divisors (76549141).

165427659 is a wasteful number, since it uses less digits than its factorization.

165427659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232754 (or 232751 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 165427659 is about 12861.8684101494. The cubic root of 165427659 is about 548.9541104506.

The spelling of 165427659 in words is "one hundred sixty-five million, four hundred twenty-seven thousand, six hundred fifty-nine".