1634402266 has 16 divisors (see below), whose sum is σ = 2813863104. Its totient is φ = 697450464.

The previous prime is 1634402257. The next prime is 1634402267. The reversal of 1634402266 is 6622044361.

It is not an unprimeable number, because it can be changed into a prime (1634402267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247260 + ... + 253783.

It is an arithmetic number, because the mean of its divisors is an integer number (175866444).

Almost surely, 2^1634402266 is an apocalyptic number.

1634402266 is a deficient number, since it is larger than the sum of its proper divisors (1179460838).

1634402266 is a wasteful number, since it uses less digits than its factorization.

1634402266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501285.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 1634402266 is about 40427.7412923354. The cubic root of 1634402266 is about 1177.9304589301.

The spelling of 1634402266 in words is "one billion, six hundred thirty-four million, four hundred two thousand, two hundred sixty-six".