161608335 has 16 divisors (see below), whose sum is σ = 295512576. Its totient is φ = 73878048.

The previous prime is 161608333. The next prime is 161608361. The reversal of 161608335 is 533806161.

It is not a de Polignac number, because 161608335 - 2¹ = 161608333 is a prime.

It is a super-2 number, since 2×161608335² = 52234507882944450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161608296 and 161608305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161608331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 769459 + ... + 769668.

It is an arithmetic number, because the mean of its divisors is an integer number (18469536).

Almost surely, 2^161608335 is an apocalyptic number.

161608335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161608335 is a deficient number, since it is larger than the sum of its proper divisors (133904241).

161608335 is a wasteful number, since it uses less digits than its factorization.

161608335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539142.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 161608335 is about 12712.5266961372. The cubic root of 161608335 is about 544.6965007718.

The spelling of 161608335 in words is "one hundred sixty-one million, six hundred eight thousand, three hundred thirty-five".