161106043 has 8 divisors (see below), whose sum is σ = 186452480. Its totient is φ = 136342440.

The previous prime is 161106031. The next prime is 161106067. The reversal of 161106043 is 340601161.

It is a happy number.

161106043 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 a de Polignac number, because none of the positive numbers 2^k-161106043 is a prime.

It is a super-2 number, since 2×161106043² = 51910314182235698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161206043) 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, 145113 + ... + 146218.

It is an arithmetic number, because the mean of its divisors is an integer number (23306560).

Almost surely, 2^161106043 is an apocalyptic number.

161106043 is a deficient number, since it is larger than the sum of its proper divisors (25346437).

161106043 is an equidigital number, since it uses as much as digits as its factorization.

161106043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291417.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 161106043 is about 12692.7555321924. The cubic root of 161106043 is about 544.1315945972.

The spelling of 161106043 in words is "one hundred sixty-one million, one hundred six thousand, forty-three".