165315414 has 16 divisors (see below), whose sum is σ = 360688320. Its totient is φ = 50095560.

The previous prime is 165315401. The next prime is 165315431. The reversal of 165315414 is 414513561.

It is a happy number.

165315414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×165315414² = 54658372211982792, which contains 22 as substring.

It is a Curzon number.

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, 1252324 + ... + 1252455.

It is an arithmetic number, because the mean of its divisors is an integer number (22543020).

Almost surely, 2^165315414 is an apocalyptic number.

165315414 is an abundant number, since it is smaller than the sum of its proper divisors (195372906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165315414 is a wasteful number, since it uses less digits than its factorization.

165315414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504795.

The product of its digits is 7200, while the sum is 30.

The square root of 165315414 is about 12857.5041901607. The cubic root of 165315414 is about 548.8299246568.

Adding to 165315414 its reverse (414513561), we get a palindrome (579828975).

It can be divided in two parts, 16531 and 5414, that added together give a triangular number (21945 = T₂₀₉).

The spelling of 165315414 in words is "one hundred sixty-five million, three hundred fifteen thousand, four hundred fourteen".