165362645 has 8 divisors (see below), whose sum is σ = 226783104. Its totient is φ = 113391504.

The previous prime is 165362641. The next prime is 165362647. The reversal of 165362645 is 546263561.

It is a happy number.

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 165362645 - 2² = 165362641 is a prime.

It is a super-2 number, since 2×165362645² = 54689608722792050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165362599 and 165362608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165362641) 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, 2362289 + ... + 2362358.

It is an arithmetic number, because the mean of its divisors is an integer number (28347888).

Almost surely, 2^165362645 is an apocalyptic number.

It is an amenable number.

165362645 is a deficient number, since it is larger than the sum of its proper divisors (61420459).

165362645 is an equidigital number, since it uses as much as digits as its factorization.

165362645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724659.

The product of its digits is 129600, while the sum is 38.

The square root of 165362645 is about 12859.3407684842. The cubic root of 165362645 is about 548.8821870105.

The spelling of 165362645 in words is "one hundred sixty-five million, three hundred sixty-two thousand, six hundred forty-five".