1634009668 has 24 divisors (see below), whose sum is σ = 2904791904. Its totient is φ = 804091200.

The previous prime is 1634009653. The next prime is 1634009683. The reversal of 1634009668 is 8669004361.

It is an interprime number because it is at equal distance from previous prime (1634009653) and next prime (1634009683).

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, 419088 + ... + 422968.

It is an arithmetic number, because the mean of its divisors is an integer number (121032996).

Almost surely, 2^1634009668 is an apocalyptic number.

It is an amenable number.

1634009668 is a deficient number, since it is larger than the sum of its proper divisors (1270782236).

1634009668 is a wasteful number, since it uses less digits than its factorization.

1634009668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5523 (or 5521 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 1634009668 is about 40422.8854487158. The cubic root of 1634009668 is about 1177.8361349102.

The spelling of 1634009668 in words is "one billion, six hundred thirty-four million, nine thousand, six hundred sixty-eight".