1630688001 has 8 divisors (see below), whose sum is σ = 2191371264. Its totient is φ = 1078565040.

The previous prime is 1630687999. The next prime is 1630688021. The reversal of 1630688001 is 1008860361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1630688001 - 2¹ = 1630687999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1630688021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2139630 + ... + 2140391.

It is an arithmetic number, because the mean of its divisors is an integer number (273921408).

Almost surely, 2^1630688001 is an apocalyptic number.

It is an amenable number.

1630688001 is a deficient number, since it is larger than the sum of its proper divisors (560683263).

1630688001 is a wasteful number, since it uses less digits than its factorization.

1630688001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280151.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1630688001 is about 40381.7780812089. The cubic root of 1630688001 is about 1177.0374791933.

The spelling of 1630688001 in words is "one billion, six hundred thirty million, six hundred eighty-eight thousand, one".