165555463 has 8 divisors (see below), whose sum is σ = 168055200. Its totient is φ = 163072800.

The previous prime is 165555443. The next prime is 165555491. The reversal of 165555463 is 364555561.

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 165555463 - 2⁹ = 165554951 is a prime.

It is a super-2 number, since 2×165555463² = 54817222658288738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165555433) 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, 15981 + ... + 24217.

It is an arithmetic number, because the mean of its divisors is an integer number (21006900).

Almost surely, 2^165555463 is an apocalyptic number.

165555463 is a deficient number, since it is larger than the sum of its proper divisors (2499737).

165555463 is a wasteful number, since it uses less digits than its factorization.

165555463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8537.

The product of its digits is 270000, while the sum is 40.

The square root of 165555463 is about 12866.8357804085. The cubic root of 165555463 is about 549.0954420593.

The spelling of 165555463 in words is "one hundred sixty-five million, five hundred fifty-five thousand, four hundred sixty-three".