165045433003402 has 16 divisors (see below), whose sum is σ = 283034547957312. Its totient is φ = 70708877013600.

The previous prime is 165045433003369. The next prime is 165045433003403. The reversal of 165045433003402 is 204300334540561.

It is a super-2 number, since 2×165045433003402² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165045433003403) 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, 2073291099 + ... + 2073370702.

It is an arithmetic number, because the mean of its divisors is an integer number (17689659247332).

Almost surely, 2^{165045433003402} is an apocalyptic number.

165045433003402 is a deficient number, since it is larger than the sum of its proper divisors (117989114953910).

165045433003402 is a wasteful number, since it uses less digits than its factorization.

165045433003402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146664653.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 165045433003402 its reverse (204300334540561), we get a palindrome (369345767543963).

The spelling of 165045433003402 in words is "one hundred sixty-five trillion, forty-five billion, four hundred thirty-three million, three thousand, four hundred two".