165713520002 has 16 divisors (see below), whose sum is σ = 255006392832. Its totient is φ = 80736778320.

The previous prime is 165713519963. The next prime is 165713520043. The reversal of 165713520002 is 200025317561.

It is a super-2 number, since 2×165713520002² (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, 6334178 + ... + 6360285.

It is an arithmetic number, because the mean of its divisors is an integer number (15937899552).

Almost surely, 2^165713520002 is an apocalyptic number.

165713520002 is a deficient number, since it is larger than the sum of its proper divisors (89292872830).

165713520002 is a wasteful number, since it uses less digits than its factorization.

165713520002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12694633.

The product of its (nonzero) digits is 12600, while the sum is 32.

Adding to 165713520002 its reverse (200025317561), we get a palindrome (365738837563).

The spelling of 165713520002 in words is "one hundred sixty-five billion, seven hundred thirteen million, five hundred twenty thousand, two".