161701033 has 8 divisors (see below), whose sum is σ = 174315008. Its totient is φ = 149112144.

The previous prime is 161701021. The next prime is 161701061. The reversal of 161701033 is 330107161.

161701033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 161701033 - 2⁹ = 161700521 is a prime.

It is a super-2 number, since 2×161701033² = 52294448146534178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161700995 and 161701013.

It is not an unprimeable number, because it can be changed into a prime (161701003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8410 + ... + 19852.

It is an arithmetic number, because the mean of its divisors is an integer number (21789376).

Almost surely, 2^161701033 is an apocalyptic number.

161701033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

161701033 is a deficient number, since it is larger than the sum of its proper divisors (12613975).

161701033 is a wasteful number, since it uses less digits than its factorization.

161701033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12543.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 161701033 is about 12716.1721048435. The cubic root of 161701033 is about 544.8006262288.

Adding to 161701033 its reverse (330107161), we get a palindrome (491808194).

The spelling of 161701033 in words is "one hundred sixty-one million, seven hundred one thousand, thirty-three".