165185095627 has 4 divisors (see below), whose sum is σ = 174901865976. Its totient is φ = 155468325280.

The previous prime is 165185095573. The next prime is 165185095639. The reversal of 165185095627 is 726590581561.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165185095627 is a prime.

It is a super-2 number, since 2×165185095627² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165185095667) 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, 4858385149 + ... + 4858385182.

It is an arithmetic number, because the mean of its divisors is an integer number (43725466494).

Almost surely, 2^165185095627 is an apocalyptic number.

165185095627 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

165185095627 is a deficient number, since it is larger than the sum of its proper divisors (9716770349).

165185095627 is an equidigital number, since it uses as much as digits as its factorization.

165185095627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9716770348.

The product of its (nonzero) digits is 4536000, while the sum is 55.

The spelling of 165185095627 in words is "one hundred sixty-five billion, one hundred eighty-five million, ninety-five thousand, six hundred twenty-seven".