161606333 has 8 divisors (see below), whose sum is σ = 184795968. Its totient is φ = 138442464.

The previous prime is 161606329. The next prime is 161606339. The reversal of 161606333 is 333606161.

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 161606333 - 2² = 161606329 is a prime.

It is a super-2 number, since 2×161606333² = 52233213731413778, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161606296 and 161606305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161606339) 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, 9710 + ... + 20432.

It is an arithmetic number, because the mean of its divisors is an integer number (23099496).

Almost surely, 2^161606333 is an apocalyptic number.

It is an amenable number.

161606333 is a deficient number, since it is larger than the sum of its proper divisors (23189635).

161606333 is a wasteful number, since it uses less digits than its factorization.

161606333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12883.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 161606333 is about 12712.4479546624. The cubic root of 161606333 is about 544.6942515336.

The spelling of 161606333 in words is "one hundred sixty-one million, six hundred six thousand, three hundred thirty-three".