161011060 has 72 divisors (see below), whose sum is σ = 395297280. Its totient is φ = 55088544.

The previous prime is 161011043. The next prime is 161011079. The reversal of 161011060 is 60110161.

161011060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161011060² = 51849122884647200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 335901 + ... + 336379.

It is an arithmetic number, because the mean of its divisors is an integer number (5490240).

Almost surely, 2^161011060 is an apocalyptic number.

161011060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161011060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197648640).

161011060 is an abundant number, since it is smaller than the sum of its proper divisors (234286220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161011060 is an frugal number, since it uses more digits than its factorization.

161011060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 161011060 is about 12689.0133580196. The cubic root of 161011060 is about 544.0246393468.

It can be divided in two parts, 16101 and 1060, that added together give a square (17161 = 131²).

The spelling of 161011060 in words is "one hundred sixty-one million, eleven thousand, sixty".