161702 has 8 divisors (see below), whose sum is σ = 244296. Its totient is φ = 80272.

The previous prime is 161683. The next prime is 161717. The reversal of 161702 is 207161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×161702² = 52295073608, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 161702.

It is an unprimeable number.

161702 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293 + ... + 639.

It is an arithmetic number, because the mean of its divisors is an integer number (30537).

2¹⁶¹⁷⁰² is an apocalyptic number.

161702 is a deficient number, since it is larger than the sum of its proper divisors (82594).

161702 is a wasteful number, since it uses less digits than its factorization.

161702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 161702 is about 402.1218720736. The cubic root of 161702 is about 54.4801712227.

Adding to 161702 its reverse (207161), we get a palindrome (368863).

The spelling of 161702 in words is "one hundred sixty-one thousand, seven hundred two".