165627097 has 4 divisors (see below), whose sum is σ = 165659956. Its totient is φ = 165594240.

The previous prime is 165627061. The next prime is 165627113. The reversal of 165627097 is 790726561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59351616 + 106275481 = 7704^2 + 10309^2 .

It is a cyclic number.

It is not a de Polignac number, because 165627097 - 2⁷ = 165626969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165627037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7104 + ... + 19537.

It is an arithmetic number, because the mean of its divisors is an integer number (41414989).

Almost surely, 2^165627097 is an apocalyptic number.

It is an amenable number.

165627097 is a deficient number, since it is larger than the sum of its proper divisors (32859).

165627097 is an equidigital number, since it uses as much as digits as its factorization.

165627097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32858.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 165627097 is about 12869.6191474340. The cubic root of 165627097 is about 549.1746264615.

The spelling of 165627097 in words is "one hundred sixty-five million, six hundred twenty-seven thousand, ninety-seven".