165496897 has 8 divisors (see below), whose sum is σ = 174404160. Its totient is φ = 156609360.

The previous prime is 165496889. The next prime is 165496909. The reversal of 165496897 is 798694561.

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

It is a cyclic number.

It is not a de Polignac number, because 165496897 - 2³ = 165496889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165491897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14247 + ... + 23107.

It is an arithmetic number, because the mean of its divisors is an integer number (21800520).

Almost surely, 2^165496897 is an apocalyptic number.

It is an amenable number.

165496897 is a deficient number, since it is larger than the sum of its proper divisors (8907263).

165496897 is an equidigital number, since it uses as much as digits as its factorization.

165496897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9863.

The product of its digits is 3265920, while the sum is 55.

The square root of 165496897 is about 12864.5597281835. The cubic root of 165496897 is about 549.0306860839.

The spelling of 165496897 in words is "one hundred sixty-five million, four hundred ninety-six thousand, eight hundred ninety-seven".