160655640 has 128 divisors (see below), whose sum is σ = 523929600. Its totient is φ = 39260160.

The previous prime is 160655623. The next prime is 160655647. The reversal of 160655640 is 46556061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160655647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69544 + ... + 71816.

It is an arithmetic number, because the mean of its divisors is an integer number (4093200).

Almost surely, 2^160655640 is an apocalyptic number.

160655640 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 160655640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261964800).

160655640 is an abundant number, since it is smaller than the sum of its proper divisors (363273960).

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

160655640 is a wasteful number, since it uses less digits than its factorization.

160655640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337 (or 2333 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 160655640 is about 12675.0005917160. Note that the first 3 decimals coincide. The cubic root of 160655640 is about 543.6240463979.

The spelling of 160655640 in words is "one hundred sixty million, six hundred fifty-five thousand, six hundred forty".