1630788991160 has 64 divisors (see below), whose sum is σ = 4193657694720. Its totient is φ = 559100949120.

The previous prime is 1630788991151. The next prime is 1630788991207. The reversal of 1630788991160 is 611998870361.

It is a self number, because there is not a number n which added to its sum of digits gives 1630788991160.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6258275 + ... + 6513645.

It is an arithmetic number, because the mean of its divisors is an integer number (65525901480).

Almost surely, 2^{1630788991160} is an apocalyptic number.

1630788991160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1630788991160 is an abundant number, since it is smaller than the sum of its proper divisors (2562868703560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1630788991160 is a wasteful number, since it uses less digits than its factorization.

1630788991160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278196 (or 278192 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 59.

The spelling of 1630788991160 in words is "one trillion, six hundred thirty billion, seven hundred eighty-eight million, nine hundred ninety-one thousand, one hundred sixty".