165552541033 has 8 divisors (see below), whose sum is σ = 180606000960. Its totient is φ = 150499619280.

The previous prime is 165552541003. The next prime is 165552541057. The reversal of 165552541033 is 330145255561.

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 165552541033 - 2¹⁷ = 165552409961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165552541003) 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, 777516 + ... + 967282.

It is an arithmetic number, because the mean of its divisors is an integer number (22575750120).

Almost surely, 2^165552541033 is an apocalyptic number.

It is an amenable number.

165552541033 is a deficient number, since it is larger than the sum of its proper divisors (15053459927).

165552541033 is a wasteful number, since it uses less digits than its factorization.

165552541033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269087.

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

Adding to 165552541033 its reverse (330145255561), we get a palindrome (495697796594).

The spelling of 165552541033 in words is "one hundred sixty-five billion, five hundred fifty-two million, five hundred forty-one thousand, thirty-three".