161705710202 has 16 divisors (see below), whose sum is σ = 246624548352. Its totient is φ = 79498491120.

The previous prime is 161705710109. The next prime is 161705710213. The reversal of 161705710202 is 202017507161.

161705710202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161705710202² (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98063 + ... + 577085.

It is an arithmetic number, because the mean of its divisors is an integer number (15414034272).

Almost surely, 2^161705710202 is an apocalyptic number.

161705710202 is a deficient number, since it is larger than the sum of its proper divisors (84918838150).

161705710202 is a wasteful number, since it uses less digits than its factorization.

161705710202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481853.

The product of its (nonzero) digits is 5880, while the sum is 32.

The spelling of 161705710202 in words is "one hundred sixty-one billion, seven hundred five million, seven hundred ten thousand, two hundred two".