161260860 has 48 divisors (see below), whose sum is σ = 452624256. Its totient is φ = 42898752.

The previous prime is 161260829. The next prime is 161260867. The reversal of 161260860 is 68062161.

161260860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161260867) 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, 23547 + ... + 29613.

It is an arithmetic number, because the mean of its divisors is an integer number (9429672).

Almost surely, 2^161260860 is an apocalyptic number.

161260860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161260860 is an abundant number, since it is smaller than the sum of its proper divisors (291363396).

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

161260860 is a wasteful number, since it uses less digits than its factorization.

161260860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6522 (or 6520 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 161260860 is about 12698.8527040832. The cubic root of 161260860 is about 544.3058356329.

The spelling of 161260860 in words is "one hundred sixty-one million, two hundred sixty thousand, eight hundred sixty".