17994011630 has 64 divisors (see below), whose sum is σ = 37689632640. Its totient is φ = 6057897984.

The previous prime is 17994011627. The next prime is 17994011677. The reversal of 17994011630 is 3611049971.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1162502 + ... + 1177878.

It is an arithmetic number, because the mean of its divisors is an integer number (588900510).

Almost surely, 2^17994011630 is an apocalyptic number.

17994011630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17994011630 is an abundant number, since it is smaller than the sum of its proper divisors (19695621010).

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

17994011630 is a wasteful number, since it uses less digits than its factorization.

17994011630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15693.

The product of its (nonzero) digits is 40824, while the sum is 41.

The spelling of 17994011630 in words is "seventeen billion, nine hundred ninety-four million, eleven thousand, six hundred thirty".