4160665450 has 24 divisors (see below), whose sum is σ = 7825799340. Its totient is φ = 1645564800.

The previous prime is 4160665447. The next prime is 4160665463. The reversal of 4160665450 is 545660614.

It can be written as a sum of positive squares in 6 ways, for example, as 894428649 + 3266236801 = 29907^2 + 57151^2 .

It is a super-2 number, since 2×4160665450² = 34622273973647405000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463041 + ... + 471940.

Almost surely, 2^4160665450 is an apocalyptic number.

4160665450 is a deficient number, since it is larger than the sum of its proper divisors (3665133890).

4160665450 is a wasteful number, since it uses less digits than its factorization.

4160665450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935082 (or 935077 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 4160665450 is about 64503.2204622374. The cubic root of 4160665450 is about 1608.3760550158.

The spelling of 4160665450 in words is "four billion, one hundred sixty million, six hundred sixty-five thousand, four hundred fifty".