165597933033 has 16 divisors (see below), whose sum is σ = 264201831040. Its totient is φ = 101906420112.

The previous prime is 165597933001. The next prime is 165597933041. The reversal of 165597933033 is 330339795561.

165597933033 is a `hidden beast` number, since 16 + 5 + 597 + 9 + 3 + 3 + 0 + 33 = 666.

It is not a de Polignac number, because 165597933033 - 2⁵ = 165597933001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165597935033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235894141 + ... + 235894842.

It is an arithmetic number, because the mean of its divisors is an integer number (16512614440).

Almost surely, 2^165597933033 is an apocalyptic number.

165597933033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

165597933033 is a deficient number, since it is larger than the sum of its proper divisors (98603898007).

165597933033 is a wasteful number, since it uses less digits than its factorization.

165597933033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471789005 (or 471788999 counting only the distinct ones).

The product of its (nonzero) digits is 6889050, while the sum is 54.

The spelling of 165597933033 in words is "one hundred sixty-five billion, five hundred ninety-seven million, nine hundred thirty-three thousand, thirty-three".