165435455 has 8 divisors (see below), whose sum is σ = 199124304. Its totient is φ = 131947200.

The previous prime is 165435443. The next prime is 165435461. The reversal of 165435455 is 554534561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165435455 - 2⁸ = 165435199 is a prime.

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, 48326 + ... + 51635.

It is an arithmetic number, because the mean of its divisors is an integer number (24890538).

Almost surely, 2^165435455 is an apocalyptic number.

165435455 is a deficient number, since it is larger than the sum of its proper divisors (33688849).

165435455 is an equidigital number, since it uses as much as digits as its factorization.

165435455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100297.

The product of its digits is 180000, while the sum is 38.

The square root of 165435455 is about 12862.1714729668. The cubic root of 165435455 is about 548.9627337144.

The spelling of 165435455 in words is "one hundred sixty-five million, four hundred thirty-five thousand, four hundred fifty-five".