165547154145 has 8 divisors (see below), whose sum is σ = 264875446656. Its totient is φ = 88291815536.

The previous prime is 165547154137. The next prime is 165547154161. The reversal of 165547154145 is 541451745561.

It is a happy number.

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 165547154145 - 2³ = 165547154137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165547154094 and 165547154103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5518238457 + ... + 5518238486.

It is an arithmetic number, because the mean of its divisors is an integer number (33109430832).

Almost surely, 2^165547154145 is an apocalyptic number.

165547154145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165547154145 is a deficient number, since it is larger than the sum of its proper divisors (99328292511).

165547154145 is a wasteful number, since it uses less digits than its factorization.

165547154145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11036476951.

The product of its digits is 1680000, while the sum is 48.

The spelling of 165547154145 in words is "one hundred sixty-five billion, five hundred forty-seven million, one hundred fifty-four thousand, one hundred forty-five".