165255914 has 4 divisors (see below), whose sum is σ = 247883874. Its totient is φ = 82627956.

The previous prime is 165255911. The next prime is 165255917. The reversal of 165255914 is 419552561.

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

It is an interprime number because it is at equal distance from previous prime (165255911) and next prime (165255917).

It can be written as a sum of positive squares in only one way, i.e., 164685889 + 570025 = 12833^2 + 755^2 .

It is a super-2 number, since 2×165255914² = 54619034223950792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165255911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41313977 + ... + 41313980.

Almost surely, 2^165255914 is an apocalyptic number.

165255914 is a deficient number, since it is larger than the sum of its proper divisors (82627960).

165255914 is an equidigital number, since it uses as much as digits as its factorization.

165255914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82627959.

The product of its digits is 54000, while the sum is 38.

The square root of 165255914 is about 12855.1901580646. The cubic root of 165255914 is about 548.7640721585.

The spelling of 165255914 in words is "one hundred sixty-five million, two hundred fifty-five thousand, nine hundred fourteen".