160961680 has 80 divisors (see below), whose sum is σ = 412527168. Its totient is φ = 57920000.

The previous prime is 160961663. The next prime is 160961683. The reversal of 160961680 is 86169061.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (160961683) 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, 87975 + ... + 89785.

Almost surely, 2^160961680 is an apocalyptic number.

160961680 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 160961680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206263584).

160961680 is an abundant number, since it is smaller than the sum of its proper divisors (251565488).

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

160961680 is a wasteful number, since it uses less digits than its factorization.

160961680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 160961680 is about 12687.0674310496. The cubic root of 160961680 is about 543.9690185643.

The spelling of 160961680 in words is "one hundred sixty million, nine hundred sixty-one thousand, six hundred eighty".