161020214 has 8 divisors (see below), whose sum is σ = 246669408. Its totient is φ = 78797080.

The previous prime is 161020213. The next prime is 161020259. The reversal of 161020214 is 412020161.

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

It is a junction number, because it is equal to n+sod(n) for n = 161020192 and 161020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161020213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856397 + ... + 856584.

It is an arithmetic number, because the mean of its divisors is an integer number (30833676).

Almost surely, 2^161020214 is an apocalyptic number.

161020214 is a deficient number, since it is larger than the sum of its proper divisors (85649194).

161020214 is a wasteful number, since it uses less digits than its factorization.

161020214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713030.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 161020214 is about 12689.3740586366. The cubic root of 161020214 is about 544.0349490054.

Adding to 161020214 its reverse (412020161), we get a palindrome (573040375).

The spelling of 161020214 in words is "one hundred sixty-one million, twenty thousand, two hundred fourteen".