165465415 has 8 divisors (see below), whose sum is σ = 198787680. Its totient is φ = 132219552.

The previous prime is 165465409. The next prime is 165465431. The reversal of 165465415 is 514564561.

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 165465415 - 2¹³ = 165457223 is a prime.

It is a super-3 number, since 3×165465415³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14220 + ... + 23089.

It is an arithmetic number, because the mean of its divisors is an integer number (24848460).

Almost surely, 2^165465415 is an apocalyptic number.

165465415 is a deficient number, since it is larger than the sum of its proper divisors (33322265).

165465415 is an equidigital number, since it uses as much as digits as its factorization.

165465415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38201.

The product of its digits is 72000, while the sum is 37.

The square root of 165465415 is about 12863.3360758397. The cubic root of 165465415 is about 548.9958703653.

The spelling of 165465415 in words is "one hundred sixty-five million, four hundred sixty-five thousand, four hundred fifteen".