165033642402 has 16 divisors (see below), whose sum is σ = 366741427680. Its totient is φ = 55011214116.

The previous prime is 165033642391. The next prime is 165033642427. The reversal of 165033642402 is 204246330561.

165033642402 is a `hidden beast` number, since 1 + 6 + 5 + 0 + 3 + 3 + 642 + 4 + 0 + 2 = 666.

It is a super-2 number, since 2×165033642402² (a number of 23 digits) contains 22 as substring.

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, 1528089228 + ... + 1528089335.

It is an arithmetic number, because the mean of its divisors is an integer number (22921339230).

Almost surely, 2^165033642402 is an apocalyptic number.

165033642402 is an abundant number, since it is smaller than the sum of its proper divisors (201707785278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165033642402 is a wasteful number, since it uses less digits than its factorization.

165033642402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056178574 (or 3056178568 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 165033642402 its reverse (204246330561), we get a palindrome (369279972963).

The spelling of 165033642402 in words is "one hundred sixty-five billion, thirty-three million, six hundred forty-two thousand, four hundred two".