165792663 has 10 divisors (see below), whose sum is σ = 247665704. Its totient is φ = 110528388.

The previous prime is 165792661. The next prime is 165792677. The reversal of 165792663 is 366297561.

165792663 is a `hidden beast` number, since 16 + 579 + 2 + 6 + 63 = 666.

It is not a de Polignac number, because 165792663 - 2¹ = 165792661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165792661) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1023331 + ... + 1023492.

Almost surely, 2^165792663 is an apocalyptic number.

165792663 is a deficient number, since it is larger than the sum of its proper divisors (81873041).

165792663 is an equidigital number, since it uses as much as digits as its factorization.

165792663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046835 (or 2046826 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 165792663 is about 12876.0499766038. The cubic root of 165792663 is about 549.3575562028.

The spelling of 165792663 in words is "one hundred sixty-five million, seven hundred ninety-two thousand, six hundred sixty-three".