165135064402 has 16 divisors (see below), whose sum is σ = 308824016832. Its totient is φ = 64338336720.

The previous prime is 165135064313. The next prime is 165135064421. The reversal of 165135064402 is 204460531561.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536152653 + ... + 536152960.

It is an arithmetic number, because the mean of its divisors is an integer number (19301501052).

Almost surely, 2^165135064402 is an apocalyptic number.

165135064402 is a deficient number, since it is larger than the sum of its proper divisors (143688952430).

165135064402 is a wasteful number, since it uses less digits than its factorization.

165135064402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072305633.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 165135064402 its reverse (204460531561), we get a palindrome (369595595963).

It can be divided in two parts, 1651 and 35064402, that added together give a palindrome (35066053).

The spelling of 165135064402 in words is "one hundred sixty-five billion, one hundred thirty-five million, sixty-four thousand, four hundred two".