1916340266 has 64 divisors (see below), whose sum is σ = 3378827520. Its totient is φ = 808473600.

The previous prime is 1916340253. The next prime is 1916340277. The reversal of 1916340266 is 6620436191.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1500020 + ... + 1501296.

It is an arithmetic number, because the mean of its divisors is an integer number (52794180).

Almost surely, 2^1916340266 is an apocalyptic number.

1916340266 is a deficient number, since it is larger than the sum of its proper divisors (1462487254).

1916340266 is a wasteful number, since it uses less digits than its factorization.

1916340266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1916340266 is about 43776.0238715213. The cubic root of 1916340266 is about 1242.1028025679.

The spelling of 1916340266 in words is "one billion, nine hundred sixteen million, three hundred forty thousand, two hundred sixty-six".