1722081160 has 16 divisors (see below), whose sum is σ = 3874682700. Its totient is φ = 688832448.

The previous prime is 1722081143. The next prime is 1722081167. The reversal of 1722081160 is 611802271.

It can be written as a sum of positive squares in 2 ways, for example, as 1692335044 + 29746116 = 41138^2 + 5454^2 .

It is not an unprimeable number, because it can be changed into a prime (1722081167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21525975 + ... + 21526054.

Almost surely, 2^1722081160 is an apocalyptic number.

1722081160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1722081160 is an abundant number, since it is smaller than the sum of its proper divisors (2152601540).

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

1722081160 is a wasteful number, since it uses less digits than its factorization.

1722081160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43052040 (or 43052036 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1722081160 is about 41497.9657332742. The cubic root of 1722081160 is about 1198.6283308487.

The spelling of 1722081160 in words is "one billion, seven hundred twenty-two million, eighty-one thousand, one hundred sixty".