4160921090 has 16 divisors (see below), whose sum is σ = 7511124600. Its totient is φ = 1659598080.

The previous prime is 4160921059. The next prime is 4160921113. The reversal of 4160921090 is 901290614.

It can be written as a sum of positive squares in 4 ways, for example, as 2554594849 + 1606326241 = 50543^2 + 40079^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592631 + ... + 599610.

Almost surely, 2^4160921090 is an apocalyptic number.

4160921090 is a deficient number, since it is larger than the sum of its proper divisors (3350203510).

4160921090 is a wasteful number, since it uses less digits than its factorization.

4160921090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192597.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 4160921090 is about 64505.2020382853. The cubic root of 4160921090 is about 1608.4089950058.

The spelling of 4160921090 in words is "four billion, one hundred sixty million, nine hundred twenty-one thousand, ninety".