1809160954 has 16 divisors (see below), whose sum is σ = 2790155016. Its totient is φ = 879163200.

The previous prime is 1809160931. The next prime is 1809161017. The reversal of 1809160954 is 4590619081.

It can be written as a sum of positive squares in 4 ways, for example, as 1795640625 + 13520329 = 42375^2 + 3677^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1809160954.

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, 56644 + ... + 82624.

Almost surely, 2^1809160954 is an apocalyptic number.

1809160954 is a deficient number, since it is larger than the sum of its proper divisors (980994062).

1809160954 is a wasteful number, since it uses less digits than its factorization.

1809160954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26961.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 1809160954 is about 42534.2327308252. The cubic root of 1809160954 is about 1218.5005662877.

The spelling of 1809160954 in words is "one billion, eight hundred nine million, one hundred sixty thousand, nine hundred fifty-four".