165455554562 has 8 divisors (see below), whose sum is σ = 248212059456. Its totient is φ = 82718201412.

The previous prime is 165455554541. The next prime is 165455554591. The reversal of 165455554562 is 265455554561.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4766318 + ... + 4800905.

It is an arithmetic number, because the mean of its divisors is an integer number (31026507432).

Almost surely, 2^165455554562 is an apocalyptic number.

165455554562 is a deficient number, since it is larger than the sum of its proper divisors (82756504894).

165455554562 is an equidigital number, since it uses as much as digits as its factorization.

165455554562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9575872.

The product of its digits is 18000000, while the sum is 53.

Subtracting 165455554562 from its reverse (265455554561), we obtain a palindrome (99999999999).

The spelling of 165455554562 in words is "one hundred sixty-five billion, four hundred fifty-five million, five hundred fifty-four thousand, five hundred sixty-two".