161055110 has 16 divisors (see below), whose sum is σ = 306952416. Its totient is φ = 60632448.

The previous prime is 161055107. The next prime is 161055119. The reversal of 161055110 is 11550161.

It is a super-2 number, since 2×161055110² = 51877496914224200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161055119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473522 + ... + 473861.

It is an arithmetic number, because the mean of its divisors is an integer number (19184526).

Almost surely, 2^161055110 is an apocalyptic number.

161055110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161055110 is a deficient number, since it is larger than the sum of its proper divisors (145897306).

161055110 is a wasteful number, since it uses less digits than its factorization.

161055110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947407.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 161055110 is about 12690.7489928688. The cubic root of 161055110 is about 544.0742469126.

The spelling of 161055110 in words is "one hundred sixty-one million, fifty-five thousand, one hundred ten".